56617116 has 12 divisors (see below), whose sum is σ = 132106632. Its totient is φ = 18872368.

The previous prime is 56617103. The next prime is 56617117. The reversal of 56617116 is 61171665.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56617117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2359035 + ... + 2359058.

It is an arithmetic number, because the mean of its divisors is an integer number (11008886).

Almost surely, 2^56617116 is an apocalyptic number.

It is an amenable number.

56617116 is an abundant number, since it is smaller than the sum of its proper divisors (75489516).

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

56617116 is a wasteful number, since it uses less digits than its factorization.

56617116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4718100 (or 4718098 counting only the distinct ones).

The product of its digits is 7560, while the sum is 33.

The square root of 56617116 is about 7524.4345966989. The cubic root of 56617116 is about 383.9864632815.

The spelling of 56617116 in words is "fifty-six million, six hundred seventeen thousand, one hundred sixteen".