56005612 has 24 divisors (see below), whose sum is σ = 109191600. Its totient is φ = 24956736.

The previous prime is 56005601. The next prime is 56005613. The reversal of 56005612 is 21650065.

It is not an unprimeable number, because it can be changed into a prime (56005613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17062 + ... + 20077.

It is an arithmetic number, because the mean of its divisors is an integer number (4549650).

Almost surely, 2^56005612 is an apocalyptic number.

56005612 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

56005612 is a deficient number, since it is larger than the sum of its proper divisors (53185988).

56005612 is a wasteful number, since it uses less digits than its factorization.

56005612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37185 (or 37183 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 56005612 is about 7483.6897316765. The cubic root of 56005612 is about 382.5990163297.

Adding to 56005612 its reverse (21650065), we get a palindrome (77655677).

It can be divided in two parts, 56005 and 612, that multiplied together give a triangular number (34275060 = T₈₂₇₉).

The spelling of 56005612 in words is "fifty-six million, five thousand, six hundred twelve".