55700070 has 32 divisors (see below), whose sum is σ = 134124768. Its totient is φ = 14803968.

The previous prime is 55700069. The next prime is 55700081. The reversal of 55700070 is 7000755.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55700070.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6582 + ... + 12438.

It is an arithmetic number, because the mean of its divisors is an integer number (4191399).

Almost surely, 2^55700070 is an apocalyptic number.

55700070 is an abundant number, since it is smaller than the sum of its proper divisors (78424698).

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

55700070 is a wasteful number, since it uses less digits than its factorization.

55700070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6184.

The product of its (nonzero) digits is 1225, while the sum is 24.

The square root of 55700070 is about 7463.2479524668. The cubic root of 55700070 is about 381.9019832036.

It can be divided in two parts, 5 and 5700070, that added together give a palindrome (5700075).

The spelling of 55700070 in words is "fifty-five million, seven hundred thousand, seventy".