56308512 has 48 divisors (see below), whose sum is σ = 159183360. Its totient is φ = 17325312.

The previous prime is 56308489. The next prime is 56308523. The reversal of 56308512 is 21580365.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 56308512.

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, 21312 + ... + 23807.

It is an arithmetic number, because the mean of its divisors is an integer number (3316320).

Almost surely, 2^56308512 is an apocalyptic number.

56308512 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

56308512 is an abundant number, since it is smaller than the sum of its proper divisors (102874848).

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

56308512 is a wasteful number, since it uses less digits than its factorization.

56308512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45145 (or 45137 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 56308512 is about 7503.8997861112. The cubic root of 56308512 is about 383.2875243726.

Adding to 56308512 its reverse (21580365), we get a palindrome (77888877).

The spelling of 56308512 in words is "fifty-six million, three hundred eight thousand, five hundred twelve".