55712070 has 32 divisors (see below), whose sum is σ = 148566240. Its totient is φ = 14856480.

The previous prime is 55712057. The next prime is 55712087. The reversal of 55712070 is 7021755.

55712070 is a `hidden beast` number, since 5 + 571 + 20 + 70 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 15 ways as a sum of consecutive naturals, for example, 102901 + ... + 103440.

It is an arithmetic number, because the mean of its divisors is an integer number (4642695).

Almost surely, 2^55712070 is an apocalyptic number.

55712070 is an abundant number, since it is smaller than the sum of its proper divisors (92854170).

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

55712070 is a wasteful number, since it uses less digits than its factorization.

55712070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206357 (or 206351 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 27.

The square root of 55712070 is about 7464.0518486945. The cubic root of 55712070 is about 381.9294068359.

The spelling of 55712070 in words is "fifty-five million, seven hundred twelve thousand, seventy".