52387291 has 8 divisors (see below), whose sum is σ = 57423168. Its totient is φ = 47397000.

The previous prime is 52387277. The next prime is 52387297. The reversal of 52387291 is 19278325.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52387291 - 2⁵ = 52387259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52387291.

It is not an unprimeable number, because it can be changed into a prime (52387297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8965 + ... + 13606.

It is an arithmetic number, because the mean of its divisors is an integer number (7177896).

Almost surely, 2^52387291 is an apocalyptic number.

52387291 is a deficient number, since it is larger than the sum of its proper divisors (5035877).

52387291 is a wasteful number, since it uses less digits than its factorization.

52387291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22793.

The product of its digits is 30240, while the sum is 37.

The square root of 52387291 is about 7237.9065343509. The cubic root of 52387291 is about 374.1754707699.

The spelling of 52387291 in words is "fifty-two million, three hundred eighty-seven thousand, two hundred ninety-one".