56749576390 has 96 divisors (see below), whose sum is σ = 117184972320. Its totient is φ = 19722673152.

The previous prime is 56749576357. The next prime is 56749576399. The reversal of 56749576390 is 9367594765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56749576399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5035642 + ... + 5046898.

It is an arithmetic number, because the mean of its divisors is an integer number (1220676795).

Almost surely, 2^56749576390 is an apocalyptic number.

56749576390 is an abundant number, since it is smaller than the sum of its proper divisors (60435395930).

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

56749576390 is a wasteful number, since it uses less digits than its factorization.

56749576390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11466 (or 11453 counting only the distinct ones).

The product of its (nonzero) digits is 42865200, while the sum is 61.

The spelling of 56749576390 in words is "fifty-six billion, seven hundred forty-nine million, five hundred seventy-six thousand, three hundred ninety".