55252868 has 12 divisors (see below), whose sum is σ = 105482832. Its totient is φ = 25114920.

The previous prime is 55252867. The next prime is 55252937. The reversal of 55252868 is 86825255.

It is not an unprimeable number, because it can be changed into a prime (55252861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 627830 + ... + 627917.

It is an arithmetic number, because the mean of its divisors is an integer number (8790236).

Almost surely, 2^55252868 is an apocalyptic number.

It is an amenable number.

55252868 is a deficient number, since it is larger than the sum of its proper divisors (50229964).

55252868 is a wasteful number, since it uses less digits than its factorization.

55252868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255762 (or 1255760 counting only the distinct ones).

The product of its digits is 192000, while the sum is 41.

The square root of 55252868 is about 7433.2272937130. The cubic root of 55252868 is about 380.8771703080.

The spelling of 55252868 in words is "fifty-five million, two hundred fifty-two thousand, eight hundred sixty-eight".