55257102 has 24 divisors (see below), whose sum is σ = 120299400. Its totient is φ = 18330480.

The previous prime is 55257079. The next prime is 55257133. The reversal of 55257102 is 20175255.

It is a happy number.

55257102 is a `hidden beast` number, since 552 + 5 + 7 + 102 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3477 + ... + 11072.

It is an arithmetic number, because the mean of its divisors is an integer number (5012475).

Almost surely, 2^55257102 is an apocalyptic number.

55257102 is an abundant number, since it is smaller than the sum of its proper divisors (65042298).

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

55257102 is a wasteful number, since it uses less digits than its factorization.

55257102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14768 (or 14765 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 55257102 is about 7433.5120905263. The cubic root of 55257102 is about 380.8868988694.

The spelling of 55257102 in words is "fifty-five million, two hundred fifty-seven thousand, one hundred two".