55257260 has 24 divisors (see below), whose sum is σ = 116284896. Its totient is φ = 22056320.

The previous prime is 55257253. The next prime is 55257269. The reversal of 55257260 is 6275255.

55257260 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

55257260 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (55257269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7769 + ... + 13071.

It is an arithmetic number, because the mean of its divisors is an integer number (4845204).

Almost surely, 2^55257260 is an apocalyptic number.

It is an amenable number.

55257260 is an abundant number, since it is smaller than the sum of its proper divisors (61027636).

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

55257260 is a wasteful number, since it uses less digits than its factorization.

55257260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5833 (or 5831 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 55257260 is about 7433.5227180658. The cubic root of 55257260 is about 380.8872619001.

The spelling of 55257260 in words is "fifty-five million, two hundred fifty-seven thousand, two hundred sixty".