56698493 has 4 divisors (see below), whose sum is σ = 56720928. Its totient is φ = 56676060.

The previous prime is 56698487. The next prime is 56698511. The reversal of 56698493 is 39489665.

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.

It is a cyclic number.

It is not a de Polignac number, because 56698493 - 2²² = 52504189 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 (56698193) 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, 6863 + ... + 12668.

It is an arithmetic number, because the mean of its divisors is an integer number (14180232).

Almost surely, 2^56698493 is an apocalyptic number.

It is an amenable number.

56698493 is a deficient number, since it is larger than the sum of its proper divisors (22435).

56698493 is a wasteful number, since it uses less digits than its factorization.

56698493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22434.

The product of its digits is 1399680, while the sum is 50.

The square root of 56698493 is about 7529.8401709465. The cubic root of 56698493 is about 384.1703458809.

The spelling of 56698493 in words is "fifty-six million, six hundred ninety-eight thousand, four hundred ninety-three".