55607272 has 32 divisors (see below), whose sum is σ = 126169920. Its totient is φ = 22429440.

The previous prime is 55607269. The next prime is 55607291. The reversal of 55607272 is 27270655.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

55607272 is a modest number, since divided by 7272 gives 5560 as remainder.

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, 28254 + ... + 30157.

It is an arithmetic number, because the mean of its divisors is an integer number (3942810).

Almost surely, 2^55607272 is an apocalyptic number.

It is an amenable number.

55607272 is an abundant number, since it is smaller than the sum of its proper divisors (70562648).

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

55607272 is a wasteful number, since it uses less digits than its factorization.

55607272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58441 (or 58437 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 55607272 is about 7457.0283625584. The cubic root of 55607272 is about 381.6897785648.

The spelling of 55607272 in words is "fifty-five million, six hundred seven thousand, two hundred seventy-two".