56494388833 has 2 divisors, whose sum is σ = 56494388834. Its totient is φ = 56494388832.

The previous prime is 56494388813. The next prime is 56494388849. The reversal of 56494388833 is 33888349465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50352218449 + 6142170384 = 224393^2 + 78372^2 .

It is a cyclic number.

It is not a de Polignac number, because 56494388833 - 2¹³ = 56494380641 is a prime.

It is a super-2 number, since 2×56494388833² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56494388803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28247194416 + 28247194417.

It is an arithmetic number, because the mean of its divisors is an integer number (28247194417).

Almost surely, 2^56494388833 is an apocalyptic number.

It is an amenable number.

56494388833 is a deficient number, since it is larger than the sum of its proper divisors (1).

56494388833 is an equidigital number, since it uses as much as digits as its factorization.

56494388833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 59719680, while the sum is 61.

The spelling of 56494388833 in words is "fifty-six billion, four hundred ninety-four million, three hundred eighty-eight thousand, eight hundred thirty-three".