55726896 has 20 divisors (see below), whose sum is σ = 143961272. Its totient is φ = 18575616.

The previous prime is 55726889. The next prime is 55726919. The reversal of 55726896 is 69862755.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 1160977 = 55726896 / (5 + 5 + 7 + 2 + 6 + 8 + 9 + 6).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580441 + ... + 580536.

Almost surely, 2^55726896 is an apocalyptic number.

It is an amenable number.

55726896 is an abundant number, since it is smaller than the sum of its proper divisors (88234376).

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

55726896 is a wasteful number, since it uses less digits than its factorization.

55726896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160988 (or 1160982 counting only the distinct ones).

The product of its digits is 907200, while the sum is 48.

The square root of 55726896 is about 7465.0449429324. The cubic root of 55726896 is about 381.9632832961.

The spelling of 55726896 in words is "fifty-five million, seven hundred twenty-six thousand, eight hundred ninety-six".