56509076 has 24 divisors (see below), whose sum is σ = 106798440. Its totient is φ = 26007552.

The previous prime is 56509051. The next prime is 56509147. The reversal of 56509076 is 67090565.

It can be written as a sum of positive squares in 4 ways, for example, as 13868176 + 42640900 = 3724^2 + 6530^2 .

It is an alternating number because its digits alternate between odd and even.

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, 19940 + ... + 22596.

It is an arithmetic number, because the mean of its divisors is an integer number (4449935).

Almost surely, 2^56509076 is an apocalyptic number.

It is an amenable number.

56509076 is a deficient number, since it is larger than the sum of its proper divisors (50289364).

56509076 is a wasteful number, since it uses less digits than its factorization.

56509076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3083 (or 3081 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 38.

The square root of 56509076 is about 7517.2518914827. The cubic root of 56509076 is about 383.7420594862.

The spelling of 56509076 in words is "fifty-six million, five hundred nine thousand, seventy-six".