56752090040 has 64 divisors (see below), whose sum is σ = 130270736160. Its totient is φ = 22245949440.

The previous prime is 56752090001. The next prime is 56752090081. The reversal of 56752090040 is 4009025765.

It is a happy number.

56752090040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 56752089976 and 56752090003.

It is a congruent number.

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, 462380 + ... + 572100.

Almost surely, 2^56752090040 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 56752090040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65135368080).

56752090040 is an abundant number, since it is smaller than the sum of its proper divisors (73518646120).

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

56752090040 is a wasteful number, since it uses less digits than its factorization.

56752090040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109992 (or 109988 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 56752090040 in words is "fifty-six billion, seven hundred fifty-two million, ninety thousand, forty".