56913480 has 96 divisors (see below), whose sum is σ = 199213560. Its totient is φ = 14008320.

The previous prime is 56913473. The next prime is 56913491. The reversal of 56913480 is 8431965.

56913480 is a `hidden beast` number, since 569 + 13 + 4 + 80 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 27688644 + 29224836 = 5262^2 + 5406^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1401 + ... + 10760.

Almost surely, 2^56913480 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 56913480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99606780).

56913480 is an abundant number, since it is smaller than the sum of its proper divisors (142300080).

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

56913480 is a wasteful number, since it uses less digits than its factorization.

56913480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12191 (or 12184 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 56913480 is about 7544.1023322858. The cubic root of 56913480 is about 384.6552938690.

The spelling of 56913480 in words is "fifty-six million, nine hundred thirteen thousand, four hundred eighty".