52515383 has 4 divisors (see below), whose sum is σ = 53796288. Its totient is φ = 51234480.

The previous prime is 52515367. The next prime is 52515391. The reversal of 52515383 is 38351525.

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

It is a cyclic number.

It is not a de Polignac number, because 52515383 - 2⁴ = 52515367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52515313) 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, 640391 + ... + 640472.

It is an arithmetic number, because the mean of its divisors is an integer number (13449072).

Almost surely, 2^52515383 is an apocalyptic number.

52515383 is a deficient number, since it is larger than the sum of its proper divisors (1280905).

52515383 is a wasteful number, since it uses less digits than its factorization.

52515383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280904.

The product of its digits is 18000, while the sum is 32.

The square root of 52515383 is about 7246.7498231966. The cubic root of 52515383 is about 374.4801876384.

The spelling of 52515383 in words is "fifty-two million, five hundred fifteen thousand, three hundred eighty-three".