56155727712 has 96 divisors (see below), whose sum is σ = 170775101952. Its totient is φ = 15824692224.

The previous prime is 56155727711. The next prime is 56155727729. The reversal of 56155727712 is 21772755165.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56155727711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 523308 + ... + 621419.

It is an arithmetic number, because the mean of its divisors is an integer number (1778907312).

Almost surely, 2^56155727712 is an apocalyptic number.

It is an amenable number.

56155727712 is an abundant number, since it is smaller than the sum of its proper divisors (114619374240).

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

56155727712 is a wasteful number, since it uses less digits than its factorization.

56155727712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144820 (or 1144812 counting only the distinct ones).

The product of its digits is 1029000, while the sum is 48.

The spelling of 56155727712 in words is "fifty-six billion, one hundred fifty-five million, seven hundred twenty-seven thousand, seven hundred twelve".