55559600 has 30 divisors (see below), whose sum is σ = 133482900. Its totient is φ = 22223680.

The previous prime is 55559599. The next prime is 55559627. The reversal of 55559600 is 695555.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69050 + ... + 69849.

It is an arithmetic number, because the mean of its divisors is an integer number (4449430).

Almost surely, 2^55559600 is an apocalyptic number.

55559600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55559600 is an abundant number, since it is smaller than the sum of its proper divisors (77923300).

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

55559600 is a wasteful number, since it uses less digits than its factorization.

55559600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138917 (or 138906 counting only the distinct ones).

The product of its (nonzero) digits is 33750, while the sum is 35.

The square root of 55559600 is about 7453.8312296429. The cubic root of 55559600 is about 381.5806734261.

The spelling of 55559600 in words is "fifty-five million, five hundred fifty-nine thousand, six hundred".