56307612 has 24 divisors (see below), whose sum is σ = 131507712. Its totient is φ = 18751600.

The previous prime is 56307607. The next prime is 56307613. The reversal of 56307612 is 21670365.

It is a super-3 number, since 3×56307612³ (a number of 24 digits) contains 333 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 56307612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56307613) 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, 20437 + ... + 23027.

It is an arithmetic number, because the mean of its divisors is an integer number (5479488).

Almost surely, 2^56307612 is an apocalyptic number.

It is an amenable number.

56307612 is an abundant number, since it is smaller than the sum of its proper divisors (75200100).

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

56307612 is a wasteful number, since it uses less digits than its factorization.

56307612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4409 (or 4407 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 56307612 is about 7503.8398170537. The cubic root of 56307612 is about 383.2854822858.

Adding to 56307612 its reverse (21670365), we get a palindrome (77977977).

The spelling of 56307612 in words is "fifty-six million, three hundred seven thousand, six hundred twelve".