55626500 has 24 divisors (see below), whose sum is σ = 121489368. Its totient is φ = 22250400.

The previous prime is 55626491. The next prime is 55626523. The reversal of 55626500 is 562655.

It can be written as a sum of positive squares in 4 ways, for example, as 391876 + 55234624 = 626^2 + 7432^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55127 + ... + 56126.

It is an arithmetic number, because the mean of its divisors is an integer number (5062057).

Almost surely, 2^55626500 is an apocalyptic number.

55626500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55626500 is an abundant number, since it is smaller than the sum of its proper divisors (65862868).

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

55626500 is a wasteful number, since it uses less digits than its factorization.

55626500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111272 (or 111260 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 55626500 is about 7458.3175046387. The cubic root of 55626500 is about 381.7337673277.

The spelling of 55626500 in words is "fifty-five million, six hundred twenty-six thousand, five hundred".