52640337 has 8 divisors (see below), whose sum is σ = 70233120. Its totient is φ = 35070560.

The previous prime is 52640327. The next prime is 52640363. The reversal of 52640337 is 73304625.

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 52640337 - 2⁷ = 52640209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52640327) 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, 589 + ... + 10277.

It is an arithmetic number, because the mean of its divisors is an integer number (8779140).

Almost surely, 2^52640337 is an apocalyptic number.

It is an amenable number.

52640337 is a deficient number, since it is larger than the sum of its proper divisors (17592783).

52640337 is a wasteful number, since it uses less digits than its factorization.

52640337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11503.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 52640337 is about 7255.3660831139. The cubic root of 52640337 is about 374.7769624821.

The spelling of 52640337 in words is "fifty-two million, six hundred forty thousand, three hundred thirty-seven".