53316356261 has 4 divisors (see below), whose sum is σ = 60932978592. Its totient is φ = 45699733932.

The previous prime is 53316356239. The next prime is 53316356263. The reversal of 53316356261 is 16265361335.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53316356261 - 2²² = 53312161957 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 (53316356263) 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, 3808311155 + ... + 3808311168.

It is an arithmetic number, because the mean of its divisors is an integer number (15233244648).

Almost surely, 2^53316356261 is an apocalyptic number.

It is an amenable number.

53316356261 is a deficient number, since it is larger than the sum of its proper divisors (7616622331).

53316356261 is an equidigital number, since it uses as much as digits as its factorization.

53316356261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7616622330.

The product of its digits is 291600, while the sum is 41.

The spelling of 53316356261 in words is "fifty-three billion, three hundred sixteen million, three hundred fifty-six thousand, two hundred sixty-one".