56399850272 has 24 divisors (see below), whose sum is σ = 111053515356. Its totient is φ = 28195782912.

The previous prime is 56399850263. The next prime is 56399850277. The reversal of 56399850272 is 27205899365.

It can be written as a sum of positive squares in 2 ways, for example, as 56394850576 + 4999696 = 237476^2 + 2236^2 .

It is a super-2 number, since 2×56399850272² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56399850277) 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, 97958 + ... + 349850.

Almost surely, 2^56399850272 is an apocalyptic number.

It is an amenable number.

56399850272 is a deficient number, since it is larger than the sum of its proper divisors (54653665084).

56399850272 is a wasteful number, since it uses less digits than its factorization.

56399850272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258900 (or 258892 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 56.

The spelling of 56399850272 in words is "fifty-six billion, three hundred ninety-nine million, eight hundred fifty thousand, two hundred seventy-two".