56733363437 has 2 divisors, whose sum is σ = 56733363438. Its totient is φ = 56733363436.

The previous prime is 56733363409. The next prime is 56733363487. The reversal of 56733363437 is 73436333765.

It is an a-pointer prime, because the next prime (56733363487) can be obtained adding 56733363437 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30088024681 + 26645338756 = 173459^2 + 163234^2 .

It is a cyclic number.

It is not a de Polignac number, because 56733363437 - 2²⁰ = 56732314861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56733363487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28366681718 + 28366681719.

It is an arithmetic number, because the mean of its divisors is an integer number (28366681719).

Almost surely, 2^56733363437 is an apocalyptic number.

It is an amenable number.

56733363437 is a deficient number, since it is larger than the sum of its proper divisors (1).

56733363437 is an equidigital number, since it uses as much as digits as its factorization.

56733363437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8573040, while the sum is 50.

The spelling of 56733363437 in words is "fifty-six billion, seven hundred thirty-three million, three hundred sixty-three thousand, four hundred thirty-seven".