52501523 has 4 divisors (see below), whose sum is σ = 52521168. Its totient is φ = 52481880.

The previous prime is 52501487. The next prime is 52501529. The reversal of 52501523 is 32510525.

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 52501523 - 2¹⁶ = 52435987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52501529) 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, 5036 + ... + 11417.

It is an arithmetic number, because the mean of its divisors is an integer number (13130292).

Almost surely, 2^52501523 is an apocalyptic number.

52501523 is a deficient number, since it is larger than the sum of its proper divisors (19645).

52501523 is a wasteful number, since it uses less digits than its factorization.

52501523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19644.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 52501523 is about 7245.7934693172. The cubic root of 52501523 is about 374.4472401363.

The spelling of 52501523 in words is "fifty-two million, five hundred one thousand, five hundred twenty-three".