56146520 has 32 divisors (see below), whose sum is σ = 132980400. Its totient is φ = 21276288.

The previous prime is 56146513. The next prime is 56146553. The reversal of 56146520 is 2564165.

56146520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×56146520² = 6304863416220800, which contains 22 as substring.

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, 36179 + ... + 37698.

Almost surely, 2^56146520 is an apocalyptic number.

It is an amenable number.

56146520 is an abundant number, since it is smaller than the sum of its proper divisors (76833880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56146520 is a wasteful number, since it uses less digits than its factorization.

56146520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73907 (or 73903 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 56146520 is about 7493.0981576381. The cubic root of 56146520 is about 382.9196158224.

The spelling of 56146520 in words is "fifty-six million, one hundred forty-six thousand, five hundred twenty".