56170955 has 4 divisors (see below), whose sum is σ = 67405152. Its totient is φ = 44936760.

The previous prime is 56170949. The next prime is 56170963. The reversal of 56170955 is 55907165.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-56170955 is a prime.

It is a super-2 number, since 2×56170955² = 6310352371224050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5617091 + ... + 5617100.

It is an arithmetic number, because the mean of its divisors is an integer number (16851288).

Almost surely, 2^56170955 is an apocalyptic number.

56170955 is a deficient number, since it is larger than the sum of its proper divisors (11234197).

56170955 is a wasteful number, since it uses less digits than its factorization.

56170955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11234196.

The product of its (nonzero) digits is 47250, while the sum is 38.

The square root of 56170955 is about 7494.7284807390. The cubic root of 56170955 is about 382.9751567167.

The spelling of 56170955 in words is "fifty-six million, one hundred seventy thousand, nine hundred fifty-five".