56611340 has 12 divisors (see below), whose sum is σ = 118883856. Its totient is φ = 22644528.

The previous prime is 56611337. The next prime is 56611361. The reversal of 56611340 is 4311665.

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, 1415264 + ... + 1415303.

It is an arithmetic number, because the mean of its divisors is an integer number (9906988).

Almost surely, 2^56611340 is an apocalyptic number.

It is an amenable number.

56611340 is an abundant number, since it is smaller than the sum of its proper divisors (62272516).

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

56611340 is a wasteful number, since it uses less digits than its factorization.

56611340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2830576 (or 2830574 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 56611340 is about 7524.0507706953. The cubic root of 56611340 is about 383.9734049145.

The spelling of 56611340 in words is "fifty-six million, six hundred eleven thousand, three hundred forty".