56912279537 has 2 divisors, whose sum is σ = 56912279538. Its totient is φ = 56912279536.

The previous prime is 56912279521. The next prime is 56912279569. The reversal of 56912279537 is 73597221965.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51001898896 + 5910380641 = 225836^2 + 76879^2 .

It is a cyclic number.

It is not a de Polignac number, because 56912279537 - 2⁴ = 56912279521 is a prime.

It is not a weakly prime, because it can be changed into another prime (56912279587) 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, 28456139768 + 28456139769.

It is an arithmetic number, because the mean of its divisors is an integer number (28456139769).

Almost surely, 2^56912279537 is an apocalyptic number.

It is an amenable number.

56912279537 is a deficient number, since it is larger than the sum of its proper divisors (1).

56912279537 is an equidigital number, since it uses as much as digits as its factorization.

56912279537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7144200, while the sum is 56.

The spelling of 56912279537 in words is "fifty-six billion, nine hundred twelve million, two hundred seventy-nine thousand, five hundred thirty-seven".