53177746172 has 12 divisors (see below), whose sum is σ = 98535235680. Its totient is φ = 25024821696.

The previous prime is 53177746157. The next prime is 53177746187. The reversal of 53177746172 is 27164777135.

It is an interprime number because it is at equal distance from previous prime (53177746157) and next prime (53177746187).

It is a self number, because there is not a number n which added to its sum of digits gives 53177746172.

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, 391012772 + ... + 391012907.

It is an arithmetic number, because the mean of its divisors is an integer number (8211269640).

Almost surely, 2^53177746172 is an apocalyptic number.

It is an amenable number.

53177746172 is a deficient number, since it is larger than the sum of its proper divisors (45357489508).

53177746172 is a wasteful number, since it uses less digits than its factorization.

53177746172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782025700 (or 782025698 counting only the distinct ones).

The product of its digits is 1728720, while the sum is 50.

The spelling of 53177746172 in words is "fifty-three billion, one hundred seventy-seven million, seven hundred forty-six thousand, one hundred seventy-two".