55537056 has 48 divisors (see below), whose sum is σ = 161985600. Its totient is φ = 18512064.

The previous prime is 55537051. The next prime is 55537063. The reversal of 55537056 is 65073555.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 55537056.

It is not an unprimeable number, because it can be changed into a prime (55537051) 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, 31276 + ... + 33003.

It is an arithmetic number, because the mean of its divisors is an integer number (3374700).

Almost surely, 2^55537056 is an apocalyptic number.

It is an amenable number.

55537056 is an abundant number, since it is smaller than the sum of its proper divisors (106448544).

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

55537056 is a wasteful number, since it uses less digits than its factorization.

55537056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64298 (or 64284 counting only the distinct ones).

The product of its (nonzero) digits is 78750, while the sum is 36.

The square root of 55537056 is about 7452.3188337591. The cubic root of 55537056 is about 381.5290560730.

The spelling of 55537056 in words is "fifty-five million, five hundred thirty-seven thousand, fifty-six".