55770570 has 48 divisors (see below), whose sum is σ = 148385952. Its totient is φ = 14525280.

The previous prime is 55770569. The next prime is 55770577. The reversal of 55770570 is 7507755.

It is a super-2 number, since 2×55770570² = 6220712956249800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55770577) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3336 + ... + 11075.

It is an arithmetic number, because the mean of its divisors is an integer number (3091374).

Almost surely, 2^55770570 is an apocalyptic number.

55770570 is an abundant number, since it is smaller than the sum of its proper divisors (92615382).

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

55770570 is a wasteful number, since it uses less digits than its factorization.

55770570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14467 (or 14464 counting only the distinct ones).

The product of its (nonzero) digits is 42875, while the sum is 36.

The square root of 55770570 is about 7467.9696035803. The cubic root of 55770570 is about 382.0630406819.

The spelling of 55770570 in words is "fifty-five million, seven hundred seventy thousand, five hundred seventy".