55555272 has 48 divisors (see below), whose sum is σ = 150852780. Its totient is φ = 18470400.

The previous prime is 55555267. The next prime is 55555307. The reversal of 55555272 is 27255555.

It can be written as a sum of positive squares in 2 ways, for example, as 54375876 + 1179396 = 7374^2 + 1086^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36772 + ... + 38252.

Almost surely, 2^55555272 is an apocalyptic number.

It is an amenable number.

55555272 is an abundant number, since it is smaller than the sum of its proper divisors (95297508).

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

55555272 is a wasteful number, since it uses less digits than its factorization.

55555272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014 (or 2007 counting only the distinct ones).

The product of its digits is 87500, while the sum is 36.

The square root of 55555272 is about 7453.5409034901. The cubic root of 55555272 is about 381.5707650032.

The spelling of 55555272 in words is "fifty-five million, five hundred fifty-five thousand, two hundred seventy-two".