55052872 has 32 divisors (see below), whose sum is σ = 120384000. Its totient is φ = 23592912.

The previous prime is 55052867. The next prime is 55052887. The reversal of 55052872 is 27825055.

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, 7288 + ... + 12775.

It is an arithmetic number, because the mean of its divisors is an integer number (3762000).

Almost surely, 2^55052872 is an apocalyptic number.

It is an amenable number.

55052872 is an abundant number, since it is smaller than the sum of its proper divisors (65331128).

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

55052872 is a wasteful number, since it uses less digits than its factorization.

55052872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20090 (or 20072 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 55052872 is about 7419.7622603423. The cubic root of 55052872 is about 380.4170674742.

The spelling of 55052872 in words is "fifty-five million, fifty-two thousand, eight hundred seventy-two".