56357616 has 80 divisors (see below), whose sum is σ = 170489088. Its totient is φ = 15705600.

The previous prime is 56357557. The next prime is 56357617. The reversal of 56357616 is 61675365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56357617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11731 + ... + 15821.

Almost surely, 2^56357616 is an apocalyptic number.

56357616 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56357616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85244544).

56357616 is an abundant number, since it is smaller than the sum of its proper divisors (114131472).

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

56357616 is a wasteful number, since it uses less digits than its factorization.

56357616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4150 (or 4144 counting only the distinct ones).

The product of its digits is 113400, while the sum is 39.

The square root of 56357616 is about 7507.1709718109. The cubic root of 56357616 is about 383.3989076646.

The spelling of 56357616 in words is "fifty-six million, three hundred fifty-seven thousand, six hundred sixteen".