56446252653972 has 12 divisors (see below), whose sum is σ = 131707922859296. Its totient is φ = 18815417551320.

The previous prime is 56446252653971. The next prime is 56446252654003. The reversal of 56446252653972 is 27935625264465.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (66) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56446252653971) 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, 2351927193904 + ... + 2351927193927.

Almost surely, 2^{56446252653972} is an apocalyptic number.

It is an amenable number.

56446252653972 is an abundant number, since it is smaller than the sum of its proper divisors (75261670205324).

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

56446252653972 is a wasteful number, since it uses less digits than its factorization.

56446252653972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4703854387838 (or 4703854387836 counting only the distinct ones).

The product of its digits is 653184000, while the sum is 66.

The spelling of 56446252653972 in words is "fifty-six trillion, four hundred forty-six billion, two hundred fifty-two million, six hundred fifty-three thousand, nine hundred seventy-two".