52113137 has 4 divisors (see below), whose sum is σ = 52163316. Its totient is φ = 52062960.

The previous prime is 52113133. The next prime is 52113169. The reversal of 52113137 is 73131125.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41589601 + 10523536 = 6449^2 + 3244^2 .

It is a cyclic number.

It is not a de Polignac number, because 52113137 - 2² = 52113133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52113133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23498 + ... + 25619.

It is an arithmetic number, because the mean of its divisors is an integer number (13040829).

Almost surely, 2^52113137 is an apocalyptic number.

It is an amenable number.

52113137 is a deficient number, since it is larger than the sum of its proper divisors (50179).

52113137 is a wasteful number, since it uses less digits than its factorization.

52113137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50178.

The product of its digits is 630, while the sum is 23.

The square root of 52113137 is about 7218.9429281578. The cubic root of 52113137 is about 373.5216151866.

The spelling of 52113137 in words is "fifty-two million, one hundred thirteen thousand, one hundred thirty-seven".