53157677773 has 4 divisors (see below), whose sum is σ = 53175991968. Its totient is φ = 53139363580.

The previous prime is 53157677719. The next prime is 53157677863. The reversal of 53157677773 is 37777675135.

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 a de Polignac number, because none of the positive numbers 2^k-53157677773 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 (53157477773) 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, 9152743 + ... + 9158548.

It is an arithmetic number, because the mean of its divisors is an integer number (13293997992).

Almost surely, 2^53157677773 is an apocalyptic number.

It is an amenable number.

53157677773 is a deficient number, since it is larger than the sum of its proper divisors (18314195).

53157677773 is a wasteful number, since it uses less digits than its factorization.

53157677773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18314194.

The product of its digits is 22689450, while the sum is 58.

The spelling of 53157677773 in words is "fifty-three billion, one hundred fifty-seven million, six hundred seventy-seven thousand, seven hundred seventy-three".