56954128749 has 16 divisors (see below), whose sum is σ = 89132846208. Its totient is φ = 31665615552.

The previous prime is 56954128733. The next prime is 56954128753. The reversal of 56954128749 is 94782145965.

56954128749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56954128749 - 2⁴ = 56954128733 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56954128692 and 56954128701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56954128709) 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, 36649242 + ... + 36650795.

It is an arithmetic number, because the mean of its divisors is an integer number (5570802888).

Almost surely, 2^56954128749 is an apocalyptic number.

It is an amenable number.

56954128749 is a deficient number, since it is larger than the sum of its proper divisors (32178717459).

56954128749 is a wasteful number, since it uses less digits than its factorization.

56954128749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73300084.

The product of its digits is 21772800, while the sum is 60.

The spelling of 56954128749 in words is "fifty-six billion, nine hundred fifty-four million, one hundred twenty-eight thousand, seven hundred forty-nine".