55570371 has 8 divisors (see below), whose sum is σ = 74508480. Its totient is φ = 36839592.

The previous prime is 55570313. The next prime is 55570387. The reversal of 55570371 is 17307555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55570371 - 2⁹ = 55569859 is a prime.

It is a super-2 number, since 2×55570371² = 6176132266155282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55570171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51205 + ... + 52278.

It is an arithmetic number, because the mean of its divisors is an integer number (9313560).

Almost surely, 2^55570371 is an apocalyptic number.

55570371 is a deficient number, since it is larger than the sum of its proper divisors (18938109).

55570371 is a wasteful number, since it uses less digits than its factorization.

55570371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103665.

The product of its (nonzero) digits is 18375, while the sum is 33.

The square root of 55570371 is about 7454.5537089755. The cubic root of 55570371 is about 381.6053300703.

The spelling of 55570371 in words is "fifty-five million, five hundred seventy thousand, three hundred seventy-one".