53170916251 has 8 divisors (see below), whose sum is σ = 53227468224. Its totient is φ = 53114395200.

The previous prime is 53170916243. The next prime is 53170916311. The reversal of 53170916251 is 15261907135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53170916251 - 2³ = 53170916243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53170986251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5010351 + ... + 5020951.

It is an arithmetic number, because the mean of its divisors is an integer number (6653433528).

Almost surely, 2^53170916251 is an apocalyptic number.

53170916251 is a deficient number, since it is larger than the sum of its proper divisors (56551973).

53170916251 is a wasteful number, since it uses less digits than its factorization.

53170916251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15461.

The product of its (nonzero) digits is 56700, while the sum is 40.

The spelling of 53170916251 in words is "fifty-three billion, one hundred seventy million, nine hundred sixteen thousand, two hundred fifty-one".