56415263537 has 2 divisors, whose sum is σ = 56415263538. Its totient is φ = 56415263536.

The previous prime is 56415263519. The next prime is 56415263557. The reversal of 56415263537 is 73536251465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56339294881 + 75968656 = 237359^2 + 8716^2 .

It is a cyclic number.

It is not a de Polignac number, because 56415263537 - 2⁶ = 56415263473 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56415263491 and 56415263500.

It is not a weakly prime, because it can be changed into another prime (56415263557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28207631768 + 28207631769.

It is an arithmetic number, because the mean of its divisors is an integer number (28207631769).

Almost surely, 2^56415263537 is an apocalyptic number.

It is an amenable number.

56415263537 is a deficient number, since it is larger than the sum of its proper divisors (1).

56415263537 is an equidigital number, since it uses as much as digits as its factorization.

56415263537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268000, while the sum is 47.

The spelling of 56415263537 in words is "fifty-six billion, four hundred fifteen million, two hundred sixty-three thousand, five hundred thirty-seven".