56519616 has 56 divisors (see below), whose sum is σ = 150107904. Its totient is φ = 18768640.

The previous prime is 56519599. The next prime is 56519629. The reversal of 56519616 is 61691565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82411 + ... + 83093.

Almost surely, 2^56519616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56519616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75053952).

56519616 is an abundant number, since it is smaller than the sum of its proper divisors (93588288).

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

56519616 is a wasteful number, since it uses less digits than its factorization.

56519616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129 (or 1119 counting only the distinct ones).

The product of its digits is 48600, while the sum is 39.

The square root of 56519616 is about 7517.9529128613. The cubic root of 56519616 is about 383.7659163611.

The spelling of 56519616 in words is "fifty-six million, five hundred nineteen thousand, six hundred sixteen".