56702957 has 4 divisors (see below), whose sum is σ = 57135936. Its totient is φ = 56269980.

The previous prime is 56702941. The next prime is 56702963. The reversal of 56702957 is 75920765.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75920765 = 5 ⋅15184153.

It is a cyclic number.

It is not a de Polignac number, because 56702957 - 2⁴ = 56702941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56702357) 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, 216293 + ... + 216554.

It is an arithmetic number, because the mean of its divisors is an integer number (14283984).

Almost surely, 2^56702957 is an apocalyptic number.

It is an amenable number.

56702957 is a deficient number, since it is larger than the sum of its proper divisors (432979).

56702957 is a wasteful number, since it uses less digits than its factorization.

56702957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432978.

The product of its (nonzero) digits is 132300, while the sum is 41.

The square root of 56702957 is about 7530.1365857466. The cubic root of 56702957 is about 384.1804278151.

The spelling of 56702957 in words is "fifty-six million, seven hundred two thousand, nine hundred fifty-seven".