56061560 has 64 divisors (see below), whose sum is σ = 129686400. Its totient is φ = 21805056.

The previous prime is 56061559. The next prime is 56061569. The reversal of 56061560 is 6516065.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56061569) 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, 357002 + ... + 357158.

It is an arithmetic number, because the mean of its divisors is an integer number (2026350).

Almost surely, 2^56061560 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 56061560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64843200).

56061560 is an abundant number, since it is smaller than the sum of its proper divisors (73624840).

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

56061560 is a wasteful number, since it uses less digits than its factorization.

56061560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 56061560 is about 7487.4267942999. The cubic root of 56061560 is about 382.7263757441.

The spelling of 56061560 in words is "fifty-six million, sixty-one thousand, five hundred sixty".