53751997165 has 8 divisors (see below), whose sum is σ = 67306848768. Its totient is φ = 41131962960.

The previous prime is 53751997093. The next prime is 53751997171. The reversal of 53751997165 is 56179915735.

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

It is not a de Polignac number, because 53751997165 - 2¹³ = 53751988973 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 233704221 + ... + 233704450.

It is an arithmetic number, because the mean of its divisors is an integer number (8413356096).

Almost surely, 2^53751997165 is an apocalyptic number.

It is an amenable number.

53751997165 is a deficient number, since it is larger than the sum of its proper divisors (13554851603).

53751997165 is a wasteful number, since it uses less digits than its factorization.

53751997165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467408699.

The product of its digits is 8930250, while the sum is 58.

The spelling of 53751997165 in words is "fifty-three billion, seven hundred fifty-one million, nine hundred ninety-seven thousand, one hundred sixty-five".