56686654 has 8 divisors (see below), whose sum is σ = 85872168. Its totient is φ = 28062600.

The previous prime is 56686589. The next prime is 56686657. The reversal of 56686654 is 45668665.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56686657) 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, 140112 + ... + 140515.

It is an arithmetic number, because the mean of its divisors is an integer number (10734021).

Almost surely, 2^56686654 is an apocalyptic number.

56686654 is a deficient number, since it is larger than the sum of its proper divisors (29185514).

56686654 is a wasteful number, since it uses less digits than its factorization.

56686654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280730.

The product of its digits is 1036800, while the sum is 46.

The square root of 56686654 is about 7529.0539910403. The cubic root of 56686654 is about 384.1436049625.

The spelling of 56686654 in words is "fifty-six million, six hundred eighty-six thousand, six hundred fifty-four".