56997170 has 8 divisors (see below), whose sum is σ = 102594924. Its totient is φ = 22798864.

The previous prime is 56997137. The next prime is 56997173. The reversal of 56997170 is 7179965.

It can be written as a sum of positive squares in 2 ways, for example, as 55011889 + 1985281 = 7417^2 + 1409^2 .

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

It is not an unprimeable number, because it can be changed into a prime (56997173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2849849 + ... + 2849868.

Almost surely, 2^56997170 is an apocalyptic number.

56997170 is a deficient number, since it is larger than the sum of its proper divisors (45597754).

56997170 is a wasteful number, since it uses less digits than its factorization.

56997170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5699724.

The product of its (nonzero) digits is 119070, while the sum is 44.

The square root of 56997170 is about 7549.6470116158. The cubic root of 56997170 is about 384.8437438654.

The spelling of 56997170 in words is "fifty-six million, nine hundred ninety-seven thousand, one hundred seventy".