56720054 has 16 divisors (see below), whose sum is σ = 90823680. Its totient is φ = 26487720.

The previous prime is 56720033. The next prime is 56720101. The reversal of 56720054 is 45002765.

It is a junction number, because it is equal to n+sod(n) for n = 56719999 and 56720026.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7814 + ... + 13209.

It is an arithmetic number, because the mean of its divisors is an integer number (5676480).

Almost surely, 2^56720054 is an apocalyptic number.

56720054 is a deficient number, since it is larger than the sum of its proper divisors (34103626).

56720054 is a wasteful number, since it uses less digits than its factorization.

56720054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21115.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 56720054 is about 7531.2717385578. The cubic root of 56720054 is about 384.2190364584.

The spelling of 56720054 in words is "fifty-six million, seven hundred twenty thousand, fifty-four".