52169961 has 16 divisors (see below), whose sum is σ = 70909760. Its totient is φ = 34110720.

The previous prime is 52169933. The next prime is 52169977. The reversal of 52169961 is 16996125.

It is a de Polignac number, because none of the positive numbers 2^k-52169961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52169461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45645 + ... + 46773.

It is an arithmetic number, because the mean of its divisors is an integer number (4431860).

Almost surely, 2^52169961 is an apocalyptic number.

It is an amenable number.

52169961 is a deficient number, since it is larger than the sum of its proper divisors (18739799).

52169961 is a wasteful number, since it uses less digits than its factorization.

52169961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416.

The product of its digits is 29160, while the sum is 39.

The square root of 52169961 is about 7222.8776121432. The cubic root of 52169961 is about 373.6573281347.

The spelling of 52169961 in words is "fifty-two million, one hundred sixty-nine thousand, nine hundred sixty-one".