53157677772 has 24 divisors (see below), whose sum is σ = 124038691056. Its totient is φ = 17718638848.

The previous prime is 53157677719. The next prime is 53157677863. The reversal of 53157677772 is 27777675135.

It is a super-2 number, since 2×53157677772² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457528 + ... + 561824.

It is an arithmetic number, because the mean of its divisors is an integer number (5168278794).

Almost surely, 2^53157677772 is an apocalyptic number.

It is an amenable number.

53157677772 is an abundant number, since it is smaller than the sum of its proper divisors (70881013284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53157677772 is a wasteful number, since it uses less digits than its factorization.

53157677772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146777 (or 146775 counting only the distinct ones).

The product of its digits is 15126300, while the sum is 57.

The spelling of 53157677772 in words is "fifty-three billion, one hundred fifty-seven million, six hundred seventy-seven thousand, seven hundred seventy-two".