56055055009772 has 24 divisors (see below), whose sum is σ = 120733964637216. Its totient is φ = 22175626157568.

The previous prime is 56055055009771. The next prime is 56055055009813. The reversal of 56055055009772 is 27790055055065.

It is not an unprimeable number, because it can be changed into a prime (56055055009771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76998701573 + ... + 76998702300.

It is an arithmetic number, because the mean of its divisors is an integer number (5030581859884).

Almost surely, 2^{56055055009772} is an apocalyptic number.

56055055009772 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

56055055009772 is an abundant number, since it is smaller than the sum of its proper divisors (64678909627444).

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

56055055009772 is a wasteful number, since it uses less digits than its factorization.

56055055009772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153997403897 (or 153997403895 counting only the distinct ones).

The product of its (nonzero) digits is 16537500, while the sum is 56.

The spelling of 56055055009772 in words is "fifty-six trillion, fifty-five billion, fifty-five million, nine thousand, seven hundred seventy-two".