52433137 has 4 divisors (see below), whose sum is σ = 53712036. Its totient is φ = 51154240.

The previous prime is 52433119. The next prime is 52433167. The reversal of 52433137 is 73133425.

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 1752976 + 50680161 = 1324^2 + 7119^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52433137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52433167) 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, 639388 + ... + 639469.

It is an arithmetic number, because the mean of its divisors is an integer number (13428009).

Almost surely, 2^52433137 is an apocalyptic number.

It is an amenable number.

52433137 is a deficient number, since it is larger than the sum of its proper divisors (1278899).

52433137 is a wasteful number, since it uses less digits than its factorization.

52433137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278898.

The product of its digits is 7560, while the sum is 28.

The square root of 52433137 is about 7241.0729177381. The cubic root of 52433137 is about 374.2845904093.

The spelling of 52433137 in words is "fifty-two million, four hundred thirty-three thousand, one hundred thirty-seven".