56305612 has 12 divisors (see below), whose sum is σ = 107492616. Its totient is φ = 25593440.

The previous prime is 56305603. The next prime is 56305621. The reversal of 56305612 is 21650365.

It is an interprime number because it is at equal distance from previous prime (56305603) and next prime (56305621).

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 639793 + ... + 639880.

It is an arithmetic number, because the mean of its divisors is an integer number (8957718).

Almost surely, 2^56305612 is an apocalyptic number.

It is an amenable number.

56305612 is a deficient number, since it is larger than the sum of its proper divisors (51187004).

56305612 is a wasteful number, since it uses less digits than its factorization.

56305612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279688 (or 1279686 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 56305612 is about 7503.7065507654. The cubic root of 56305612 is about 383.2809442372.

Adding to 56305612 its reverse (21650365), we get a palindrome (77955977).

The spelling of 56305612 in words is "fifty-six million, three hundred five thousand, six hundred twelve".