56801040 has 80 divisors (see below), whose sum is σ = 176881536. Its totient is φ = 15078400.

The previous prime is 56801033. The next prime is 56801093. The reversal of 56801040 is 4010865.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 56801040.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74260 + ... + 75020.

Almost surely, 2^56801040 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 56801040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88440768).

56801040 is an abundant number, since it is smaller than the sum of its proper divisors (120080496).

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

56801040 is a wasteful number, since it uses less digits than its factorization.

56801040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088 (or 1082 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 56801040 is about 7536.6464690869. The cubic root of 56801040 is about 384.4018146407.

The spelling of 56801040 in words is "fifty-six million, eight hundred one thousand, forty".