56697379 has 4 divisors (see below), whose sum is σ = 56713120. Its totient is φ = 56681640.

The previous prime is 56697367. The next prime is 56697391. The reversal of 56697379 is 97379665.

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

It is an interprime number because it is at equal distance from previous prime (56697367) and next prime (56697391).

It is a cyclic number.

It is not a de Polignac number, because 56697379 - 2¹⁵ = 56664611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56697079) 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, 502 + ... + 10660.

It is an arithmetic number, because the mean of its divisors is an integer number (14178280).

Almost surely, 2^56697379 is an apocalyptic number.

56697379 is a deficient number, since it is larger than the sum of its proper divisors (15741).

56697379 is a wasteful number, since it uses less digits than its factorization.

56697379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15740.

The product of its digits is 2143260, while the sum is 52.

The square root of 56697379 is about 7529.7661982295. The cubic root of 56697379 is about 384.1678298319.

The spelling of 56697379 in words is "fifty-six million, six hundred ninety-seven thousand, three hundred seventy-nine".