56631499049 has 2 divisors, whose sum is σ = 56631499050. Its totient is φ = 56631499048.

The previous prime is 56631499031. The next prime is 56631499121. The reversal of 56631499049 is 94099413665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55677121600 + 954377449 = 235960^2 + 30893^2 .

It is a cyclic number.

It is not a de Polignac number, because 56631499049 - 2¹⁶ = 56631433513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56631498985 and 56631499003.

It is not a weakly prime, because it can be changed into another prime (56631499549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28315749524 + 28315749525.

It is an arithmetic number, because the mean of its divisors is an integer number (28315749525).

Almost surely, 2^56631499049 is an apocalyptic number.

It is an amenable number.

56631499049 is a deficient number, since it is larger than the sum of its proper divisors (1).

56631499049 is an equidigital number, since it uses as much as digits as its factorization.

56631499049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6298560, while the sum is 56.

The spelling of 56631499049 in words is "fifty-six billion, six hundred thirty-one million, four hundred ninety-nine thousand, forty-nine".