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552875778 = 23271329103113
BaseRepresentation
bin100000111101000…
…011011100000010
31102112022222222200
4200331003130002
52113014011103
6130510014030
716462236510
oct4075033402
91375288880
10552875778
112640a1834
121351a7316
138a709440
14535db4b0
15338100a3
hex20f43702

552875778 has 192 divisors, whose sum is σ = 1553610240. Its totient is φ = 138184704.

The previous prime is 552875777. The next prime is 552875783. The reversal of 552875778 is 877578255.

552875778 is a `hidden beast` number, since 552 + 87 + 5 + 7 + 7 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (552875777) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4892650 + ... + 4892762.

It is an arithmetic number, because the mean of its divisors is an integer number (8091720).

Almost surely, 2552875778 is an apocalyptic number.

552875778 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 552875778, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (776805120).

552875778 is an abundant number, since it is smaller than the sum of its proper divisors (1000734462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

552875778 is a wasteful number, since it uses less digits than its factorization.

552875778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 270 counting only the distinct ones).

The product of its digits is 5488000, while the sum is 54.

The square root of 552875778 is about 23513.3106558817. The cubic root of 552875778 is about 820.7467805314.

The spelling of 552875778 in words is "five hundred fifty-two million, eight hundred seventy-five thousand, seven hundred seventy-eight".