56362631261 has 4 divisors (see below), whose sum is σ = 58306170300. Its totient is φ = 54419092224.

The previous prime is 56362631201. The next prime is 56362631341. The reversal of 56362631261 is 16213626365.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35876148100 + 20486483161 = 189410^2 + 143131^2 .

It is a cyclic number.

It is not a de Polignac number, because 56362631261 - 2¹⁸ = 56362369117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56362631201) 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 in 3 ways as a sum of consecutive naturals, for example, 971769476 + ... + 971769533.

It is an arithmetic number, because the mean of its divisors is an integer number (14576542575).

Almost surely, 2^56362631261 is an apocalyptic number.

It is an amenable number.

56362631261 is a deficient number, since it is larger than the sum of its proper divisors (1943539039).

56362631261 is a wasteful number, since it uses less digits than its factorization.

56362631261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943539038.

The product of its digits is 233280, while the sum is 41.

The spelling of 56362631261 in words is "fifty-six billion, three hundred sixty-two million, six hundred thirty-one thousand, two hundred sixty-one".