56837557453 has 2 divisors, whose sum is σ = 56837557454. Its totient is φ = 56837557452.

The previous prime is 56837557411. The next prime is 56837557471. The reversal of 56837557453 is 35475573865.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54313700809 + 2523856644 = 233053^2 + 50238^2 .

It is a cyclic number.

It is not a de Polignac number, because 56837557453 - 2¹⁷ = 56837426381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56837557493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28418778726 + 28418778727.

It is an arithmetic number, because the mean of its divisors is an integer number (28418778727).

Almost surely, 2^56837557453 is an apocalyptic number.

It is an amenable number.

56837557453 is a deficient number, since it is larger than the sum of its proper divisors (1).

56837557453 is an equidigital number, since it uses as much as digits as its factorization.

56837557453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920000, while the sum is 58.

The spelling of 56837557453 in words is "fifty-six billion, eight hundred thirty-seven million, five hundred fifty-seven thousand, four hundred fifty-three".