55970370 has 24 divisors (see below), whose sum is σ = 145523196. Its totient is φ = 14925408.

The previous prime is 55970363. The next prime is 55970389. The reversal of 55970370 is 7307955.

55970370 is a `hidden beast` number, since 559 + 70 + 37 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 54508689 + 1461681 = 7383^2 + 1209^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 310857 + ... + 311036.

Almost surely, 2^55970370 is an apocalyptic number.

55970370 is an abundant number, since it is smaller than the sum of its proper divisors (89552826).

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

55970370 is a wasteful number, since it uses less digits than its factorization.

55970370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621906 (or 621903 counting only the distinct ones).

The product of its (nonzero) digits is 33075, while the sum is 36.

The square root of 55970370 is about 7481.3347739558. The cubic root of 55970370 is about 382.5187482801.

The spelling of 55970370 in words is "fifty-five million, nine hundred seventy thousand, three hundred seventy".