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55083000 = 2335374361
BaseRepresentation
bin1101001000011…
…1111111111000
310211122111200010
43102013333320
5103100124000
65244341520
71236124560
oct322077770
9124574603
1055083000
1129102745
12165448a0
13b547bbb
14745bda0
154c80d50
hex3487ff8

55083000 has 256 divisors, whose sum is σ = 204272640. Its totient is φ = 12096000.

The previous prime is 55082981. The next prime is 55083023. The reversal of 55083000 is 38055.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 902970 + ... + 903030.

It is an arithmetic number, because the mean of its divisors is an integer number (797940).

Almost surely, 255083000 is an apocalyptic number.

55083000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55083000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102136320).

55083000 is an abundant number, since it is smaller than the sum of its proper divisors (149189640).

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

55083000 is a wasteful number, since it uses less digits than its factorization.

55083000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 55083000 is about 7421.7922363806. The cubic root of 55083000 is about 380.4864499599.

The spelling of 55083000 in words is "fifty-five million, eighty-three thousand".