56045612 has 36 divisors (see below), whose sum is σ = 114624720. Its totient is φ = 23907744.

The previous prime is 56045597. The next prime is 56045657. The reversal of 56045612 is 21654065.

It is a super-2 number, since 2×56045612² = 6282221248909088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52193 + ... + 53255.

It is an arithmetic number, because the mean of its divisors is an integer number (3184020).

Almost surely, 2^56045612 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 56045612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57312360).

56045612 is an abundant number, since it is smaller than the sum of its proper divisors (58579108).

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

56045612 is a wasteful number, since it uses less digits than its factorization.

56045612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350 (or 1341 counting only the distinct ones).

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

The square root of 56045612 is about 7486.3617331785. The cubic root of 56045612 is about 382.6900805292.

Adding to 56045612 its reverse (21654065), we get a palindrome (77699677).

The spelling of 56045612 in words is "fifty-six million, forty-five thousand, six hundred twelve".