53777156432 has 20 divisors (see below), whose sum is σ = 104288602260. Its totient is φ = 26863968768.

The previous prime is 53777156417. The next prime is 53777156441. The reversal of 53777156432 is 23465177735.

It can be written as a sum of positive squares in 2 ways, for example, as 36824074816 + 16953081616 = 191896^2 + 130204^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1520057 + ... + 1555032.

It is an arithmetic number, because the mean of its divisors is an integer number (5214430113).

Almost surely, 2^53777156432 is an apocalyptic number.

It is an amenable number.

53777156432 is a deficient number, since it is larger than the sum of its proper divisors (50511445828).

53777156432 is a wasteful number, since it uses less digits than its factorization.

53777156432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3076190 (or 3076184 counting only the distinct ones).

The product of its digits is 3704400, while the sum is 50.

The spelling of 53777156432 in words is "fifty-three billion, seven hundred seventy-seven million, one hundred fifty-six thousand, four hundred thirty-two".