56766542490 has 96 divisors (see below), whose sum is σ = 174119003136. Its totient is φ = 12556650240.

The previous prime is 56766542473. The next prime is 56766542513. The reversal of 56766542490 is 9424566765.

56766542490 is a `hidden beast` number, since 5 + 6 + 7 + 6 + 6 + 542 + 4 + 90 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1433787 + ... + 1472846.

It is an arithmetic number, because the mean of its divisors is an integer number (1813739616).

Almost surely, 2^56766542490 is an apocalyptic number.

56766542490 is an abundant number, since it is smaller than the sum of its proper divisors (117352460646).

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

56766542490 is a wasteful number, since it uses less digits than its factorization.

56766542490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2906684 (or 2906681 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 54.

The spelling of 56766542490 in words is "fifty-six billion, seven hundred sixty-six million, five hundred forty-two thousand, four hundred ninety".