56442353769 has 32 divisors (see below), whose sum is σ = 91590048000. Its totient is φ = 34193601792.

The previous prime is 56442353729. The next prime is 56442353771. The reversal of 56442353769 is 96735324465.

56442353769 is a `hidden beast` number, since 5 + 6 + 4 + 42 + 3 + 537 + 69 = 666.

56442353769 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 56442353769 - 2¹² = 56442349673 is a prime.

It is a super-2 number, since 2×56442353769² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56442353729) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2106829 + ... + 2133450.

It is an arithmetic number, because the mean of its divisors is an integer number (2862189000).

Almost surely, 2^56442353769 is an apocalyptic number.

It is an amenable number.

56442353769 is a deficient number, since it is larger than the sum of its proper divisors (35147694231).

56442353769 is a wasteful number, since it uses less digits than its factorization.

56442353769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4240334 (or 4240328 counting only the distinct ones).

The product of its digits is 16329600, while the sum is 54.

The spelling of 56442353769 in words is "fifty-six billion, four hundred forty-two million, three hundred fifty-three thousand, seven hundred sixty-nine".