55712370 has 64 divisors (see below), whose sum is σ = 160865280. Its totient is φ = 12063168.

The previous prime is 55712357. The next prime is 55712431. The reversal of 55712370 is 7321755.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2992 + ... + 10971.

It is an arithmetic number, because the mean of its divisors is an integer number (2513520).

Almost surely, 2^55712370 is an apocalyptic number.

55712370 is an abundant number, since it is smaller than the sum of its proper divisors (105152910).

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

55712370 is a wasteful number, since it uses less digits than its factorization.

55712370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13999.

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 55712370 is about 7464.0719449909. The cubic root of 55712370 is about 381.9300923763.

The spelling of 55712370 in words is "fifty-five million, seven hundred twelve thousand, three hundred seventy".