53353975691 has 8 divisors (see below), whose sum is σ = 54808272480. Its totient is φ = 51900326208.

The previous prime is 53353975663. The next prime is 53353975693. The reversal of 53353975691 is 19657935335.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53353975691 - 2¹⁸ = 53353713547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53353975693) 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 7 ways as a sum of consecutive naturals, for example, 7655 + ... + 326751.

It is an arithmetic number, because the mean of its divisors is an integer number (6851034060).

Almost surely, 2^53353975691 is an apocalyptic number.

53353975691 is a deficient number, since it is larger than the sum of its proper divisors (1454296789).

53353975691 is a wasteful number, since it uses less digits than its factorization.

53353975691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323653.

The product of its digits is 11481750, while the sum is 56.

The spelling of 53353975691 in words is "fifty-three billion, three hundred fifty-three million, nine hundred seventy-five thousand, six hundred ninety-one".