56678637 has 8 divisors (see below), whose sum is σ = 75607840. Its totient is φ = 37767600.

The previous prime is 56678627. The next prime is 56678639. The reversal of 56678637 is 73687665.

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

It is not a de Polignac number, because 56678637 - 2¹⁰ = 56677613 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 (56678639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6762 + ... + 12612.

It is an arithmetic number, because the mean of its divisors is an integer number (9450980).

Almost surely, 2^56678637 is an apocalyptic number.

It is an amenable number.

56678637 is a deficient number, since it is larger than the sum of its proper divisors (18929203).

56678637 is a wasteful number, since it uses less digits than its factorization.

56678637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9083.

The product of its digits is 1270080, while the sum is 48.

The square root of 56678637 is about 7528.5215680105. The cubic root of 56678637 is about 384.1254947357.

Subtracting 56678637 from its reverse (73687665), we obtain a triangular number (17009028 = T₅₈₃₂).

The spelling of 56678637 in words is "fifty-six million, six hundred seventy-eight thousand, six hundred thirty-seven".