552633840 has 200 divisors, whose sum is σ = 2094138288. Its totient is φ = 133954560.

The previous prime is 552633839. The next prime is 552633859. The reversal of 552633840 is 48336255.

It is a happy number.

552633840 is a `hidden beast` number, since 552 + 63 + 3 + 8 + 40 = 666.

It is a super-2 number, since 2×552633840² = 610808322226291200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 552633795 and 552633804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 67404 + ... + 75156.

Almost surely, 2^552633840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 552633840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1047069144).

552633840 is an abundant number, since it is smaller than the sum of its proper divisors (1541504448).

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

552633840 is a wasteful number, since it uses less digits than its factorization.

552633840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7789 (or 7774 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 552633840 is about 23508.1653899236. The cubic root of 552633840 is about 820.6270436850.

The spelling of 552633840 in words is "five hundred fifty-two million, six hundred thirty-three thousand, eight hundred forty".