56312340 has 48 divisors (see below), whose sum is σ = 180200832. Its totient is φ = 12871296.

The previous prime is 56312323. The next prime is 56312351. The reversal of 56312340 is 4321365.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 56312340.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66619 + ... + 67458.

It is an arithmetic number, because the mean of its divisors is an integer number (3754184).

Almost surely, 2^56312340 is an apocalyptic number.

It is an amenable number.

56312340 is an abundant number, since it is smaller than the sum of its proper divisors (123888492).

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

56312340 is a wasteful number, since it uses less digits than its factorization.

56312340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134096 (or 134094 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 56312340 is about 7504.1548491486. The cubic root of 56312340 is about 383.2962098055.

The spelling of 56312340 in words is "fifty-six million, three hundred twelve thousand, three hundred forty".