55808526 has 16 divisors (see below), whose sum is σ = 111977424. Its totient is φ = 18542784.

The previous prime is 55808509. The next prime is 55808527. The reversal of 55808526 is 62580855.

It is a super-2 number, since 2×55808526² = 6229183148585352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55808527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12981 + ... + 16736.

It is an arithmetic number, because the mean of its divisors is an integer number (6998589).

Almost surely, 2^55808526 is an apocalyptic number.

55808526 is an abundant number, since it is smaller than the sum of its proper divisors (56168898).

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

55808526 is a wasteful number, since it uses less digits than its factorization.

55808526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30035.

The product of its (nonzero) digits is 96000, while the sum is 39.

The square root of 55808526 is about 7470.5104243284. The cubic root of 55808526 is about 382.1496950841.

The spelling of 55808526 in words is "fifty-five million, eight hundred eight thousand, five hundred twenty-six".