55702872 has 48 divisors (see below), whose sum is σ = 157425840. Its totient is φ = 17759808.

The previous prime is 55702861. The next prime is 55702879. The reversal of 55702872 is 27820755.

55702872 is a `hidden beast` number, since 5 + 570 + 2 + 87 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55702879) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15163 + ... + 18474.

It is an arithmetic number, because the mean of its divisors is an integer number (3279705).

Almost surely, 2^55702872 is an apocalyptic number.

It is an amenable number.

55702872 is an abundant number, since it is smaller than the sum of its proper divisors (101722968).

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

55702872 is a wasteful number, since it uses less digits than its factorization.

55702872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33672 (or 33665 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 55702872 is about 7463.4356699847. The cubic root of 55702872 is about 381.9083869742.

The spelling of 55702872 in words is "fifty-five million, seven hundred two thousand, eight hundred seventy-two".