56315340 has 36 divisors (see below), whose sum is σ = 170823744. Its totient is φ = 15017376.

The previous prime is 56315333. The next prime is 56315341. The reversal of 56315340 is 4351365.

56315340 is a `hidden beast` number, since 5 + 6 + 315 + 340 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (56315341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156252 + ... + 156611.

It is an arithmetic number, because the mean of its divisors is an integer number (4745104).

Almost surely, 2^56315340 is an apocalyptic number.

It is an amenable number.

56315340 is an abundant number, since it is smaller than the sum of its proper divisors (114508404).

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

56315340 is a wasteful number, since it uses less digits than its factorization.

56315340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312878 (or 312873 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 56315340 is about 7504.3547357518. The cubic root of 56315340 is about 383.3030162959.

The spelling of 56315340 in words is "fifty-six million, three hundred fifteen thousand, three hundred forty".