56687654 has 16 divisors (see below), whose sum is σ = 88252416. Its totient is φ = 27280200.

The previous prime is 56687647. The next prime is 56687669. The reversal of 56687654 is 45678665.

56687654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 56687599 and 56687608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9449 + ... + 14235.

It is an arithmetic number, because the mean of its divisors is an integer number (5515776).

Almost surely, 2^56687654 is an apocalyptic number.

56687654 is a deficient number, since it is larger than the sum of its proper divisors (31564762).

56687654 is a wasteful number, since it uses less digits than its factorization.

56687654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5011.

The product of its digits is 1209600, while the sum is 47.

The square root of 56687654 is about 7529.1204001530. The cubic root of 56687654 is about 384.1458638207.

The spelling of 56687654 in words is "fifty-six million, six hundred eighty-seven thousand, six hundred fifty-four".