55753236 has 72 divisors (see below), whose sum is σ = 175715904. Its totient is φ = 14480640.

The previous prime is 55753213. The next prime is 55753253. The reversal of 55753236 is 63235755.

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 55753236.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7285 + ... + 12828.

Almost surely, 2^55753236 is an apocalyptic number.

It is an amenable number.

55753236 is an abundant number, since it is smaller than the sum of its proper divisors (119962668).

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

55753236 is a wasteful number, since it uses less digits than its factorization.

55753236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20141 (or 20136 counting only the distinct ones).

The product of its digits is 94500, while the sum is 36.

The square root of 55753236 is about 7466.8089569775. The cubic root of 55753236 is about 382.0234536919.

The spelling of 55753236 in words is "fifty-five million, seven hundred fifty-three thousand, two hundred thirty-six".