52117137 has 6 divisors (see below), whose sum is σ = 75280322. Its totient is φ = 34744752.

The previous prime is 52117123. The next prime is 52117159. The reversal of 52117137 is 73171125.

It is a happy number.

52117137 is a `hidden beast` number, since 521 + 1 + 7 + 137 = 666.

It can be written as a sum of positive squares in only one way, i.e., 51969681 + 147456 = 7209^2 + 384^2 .

It is not a de Polignac number, because 52117137 - 2⁸ = 52116881 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52117137.

It is not an unprimeable number, because it can be changed into a prime (52117537) 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, 2895388 + ... + 2895405.

Almost surely, 2^52117137 is an apocalyptic number.

It is an amenable number.

52117137 is a deficient number, since it is larger than the sum of its proper divisors (23163185).

52117137 is a wasteful number, since it uses less digits than its factorization.

52117137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5790799 (or 5790796 counting only the distinct ones).

The product of its digits is 1470, while the sum is 27.

The square root of 52117137 is about 7219.2199717144. The cubic root of 52117137 is about 373.5311716268.

The spelling of 52117137 in words is "fifty-two million, one hundred seventeen thousand, one hundred thirty-seven".