56051512 has 32 divisors (see below), whose sum is σ = 115409520. Its totient is φ = 25309440.

The previous prime is 56051509. The next prime is 56051531. The reversal of 56051512 is 21515065.

It is a super-2 number, since 2×56051512² = 6283543994972288, which contains 22 as substring.

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, 11788 + ... + 15844.

Almost surely, 2^56051512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56051512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57704760).

56051512 is an abundant number, since it is smaller than the sum of its proper divisors (59358008).

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

56051512 is a wasteful number, since it uses less digits than its factorization.

56051512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4231 (or 4227 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 56051512 is about 7486.7557726962. The cubic root of 56051512 is about 382.7035088314.

Adding to 56051512 its reverse (21515065), we get a palindrome (77566577).

It can be divided in two parts, 5605 and 1512, that added together give a palindrome (7117).

The spelling of 56051512 in words is "fifty-six million, fifty-one thousand, five hundred twelve".