52156117 has 6 divisors (see below), whose sum is σ = 56196182. Its totient is φ = 48120072.

The previous prime is 52156099. The next prime is 52156133. The reversal of 52156117 is 71165125.

It can be written as a sum of positive squares in only one way, i.e., 36108081 + 16048036 = 6009^2 + 4006^2 .

It is not a de Polignac number, because 52156117 - 2¹⁹ = 51631829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52156147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25038 + ... + 27040.

Almost surely, 2^52156117 is an apocalyptic number.

It is an amenable number.

52156117 is a deficient number, since it is larger than the sum of its proper divisors (4040065).

52156117 is an frugal number, since it uses more digits than its factorization.

52156117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4019 (or 2016 counting only the distinct ones).

The product of its digits is 2100, while the sum is 28.

The square root of 52156117 is about 7221.9192047544. The cubic root of 52156117 is about 373.6242735468.

The spelling of 52156117 in words is "fifty-two million, one hundred fifty-six thousand, one hundred seventeen".