53760556261 has 4 divisors (see below), whose sum is σ = 53960409900. Its totient is φ = 53560702624.

The previous prime is 53760556249. The next prime is 53760556277. The reversal of 53760556261 is 16265506735.

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 26364016900 + 27396539361 = 162370^2 + 165519^2 .

It is a cyclic number.

It is not a de Polignac number, because 53760556261 - 2⁵ = 53760556229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53760556231) 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 in 3 ways as a sum of consecutive naturals, for example, 99926416 + ... + 99926953.

It is an arithmetic number, because the mean of its divisors is an integer number (13490102475).

Almost surely, 2^53760556261 is an apocalyptic number.

It is an amenable number.

53760556261 is a deficient number, since it is larger than the sum of its proper divisors (199853639).

53760556261 is a wasteful number, since it uses less digits than its factorization.

53760556261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199853638.

The product of its (nonzero) digits is 1134000, while the sum is 46.

The spelling of 53760556261 in words is "fifty-three billion, seven hundred sixty million, five hundred fifty-six thousand, two hundred sixty-one".