56542772380 has 12 divisors (see below), whose sum is σ = 118739822040. Its totient is φ = 22617108944.

The previous prime is 56542772357. The next prime is 56542772389. The reversal of 56542772380 is 8327724565.

56542772380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56542772389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1413569290 + ... + 1413569329.

It is an arithmetic number, because the mean of its divisors is an integer number (9894985170).

Almost surely, 2^56542772380 is an apocalyptic number.

It is an amenable number.

56542772380 is an abundant number, since it is smaller than the sum of its proper divisors (62197049660).

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

56542772380 is a wasteful number, since it uses less digits than its factorization.

56542772380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827138628 (or 2827138626 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 49.

The spelling of 56542772380 in words is "fifty-six billion, five hundred forty-two million, seven hundred seventy-two thousand, three hundred eighty".