53177197478772 has 48 divisors (see below), whose sum is σ = 124872088413632. Its totient is φ = 17612598182400.

The previous prime is 53177197478761. The next prime is 53177197478791. The reversal of 53177197478772 is 27787479177135.

It is a junction number, because it is equal to n+sod(n) for n = 53177197478694 and 53177197478703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201080943 + ... + 201345225.

Almost surely, 2^{53177197478772} is an apocalyptic number.

It is an amenable number.

53177197478772 is an abundant number, since it is smaller than the sum of its proper divisors (71694890934860).

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

53177197478772 is a wasteful number, since it uses less digits than its factorization.

53177197478772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371248 (or 371246 counting only the distinct ones).

The product of its digits is 1016487360, while the sum is 75.

The spelling of 53177197478772 in words is "fifty-three trillion, one hundred seventy-seven billion, one hundred ninety-seven million, four hundred seventy-eight thousand, seven hundred seventy-two".