52502861 has 4 divisors (see below), whose sum is σ = 53392800. Its totient is φ = 51612924.

The previous prime is 52502839. The next prime is 52502869. The reversal of 52502861 is 16820525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52502861 - 2¹⁰ = 52501837 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 (52502869) 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, 444881 + ... + 444998.

It is an arithmetic number, because the mean of its divisors is an integer number (13348200).

Almost surely, 2^52502861 is an apocalyptic number.

It is an amenable number.

52502861 is a deficient number, since it is larger than the sum of its proper divisors (889939).

52502861 is an equidigital number, since it uses as much as digits as its factorization.

52502861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889938.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 52502861 is about 7245.8857981616. The cubic root of 52502861 is about 374.4504210354.

The spelling of 52502861 in words is "fifty-two million, five hundred two thousand, eight hundred sixty-one".