53157677771 has 12 divisors (see below), whose sum is σ = 58506800016. Its totient is φ = 48261240720.

The previous prime is 53157677719. The next prime is 53157677863. The reversal of 53157677771 is 17777675135.

It is a de Polignac number, because none of the positive numbers 2^k-53157677771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53157673771) 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 11 ways as a sum of consecutive naturals, for example, 198575 + ... + 381768.

It is an arithmetic number, because the mean of its divisors is an integer number (4875566668).

Almost surely, 2^53157677771 is an apocalyptic number.

53157677771 is a deficient number, since it is larger than the sum of its proper divisors (5349122245).

53157677771 is a wasteful number, since it uses less digits than its factorization.

53157677771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581122 (or 581111 counting only the distinct ones).

The product of its digits is 7563150, while the sum is 56.

The spelling of 53157677771 in words is "fifty-three billion, one hundred fifty-seven million, six hundred seventy-seven thousand, seven hundred seventy-one".