55907296 has 48 divisors (see below), whose sum is σ = 118014624. Its totient is φ = 26002944.

The previous prime is 55907281. The next prime is 55907303. The reversal of 55907296 is 69270955.

It is a happy number.

It is a congruent number.

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, 26206 + ... + 28258.

It is an arithmetic number, because the mean of its divisors is an integer number (2458638).

Almost surely, 2^55907296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55907296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59007312).

55907296 is an abundant number, since it is smaller than the sum of its proper divisors (62107328).

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

55907296 is a wasteful number, since it uses less digits than its factorization.

55907296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2123 (or 2115 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 55907296 is about 7477.1181614309. The cubic root of 55907296 is about 382.3750052231.

The spelling of 55907296 in words is "fifty-five million, nine hundred seven thousand, two hundred ninety-six".