52502402311 has 4 divisors (see below), whose sum is σ = 54196028224. Its totient is φ = 50808776400.

The previous prime is 52502402273. The next prime is 52502402317. The reversal of 52502402311 is 11320420525.

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 52502402311 - 2²¹ = 52500305159 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 (52502402317) 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, 846812910 + ... + 846812971.

It is an arithmetic number, because the mean of its divisors is an integer number (13549007056).

Almost surely, 2^52502402311 is an apocalyptic number.

52502402311 is a deficient number, since it is larger than the sum of its proper divisors (1693625913).

52502402311 is a wasteful number, since it uses less digits than its factorization.

52502402311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693625912.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 52502402311 its reverse (11320420525), we get a palindrome (63822822836).

The spelling of 52502402311 in words is "fifty-two billion, five hundred two million, four hundred two thousand, three hundred eleven".