52800511 has 4 divisors (see below), whose sum is σ = 52901992. Its totient is φ = 52699032.

The previous prime is 52800509. The next prime is 52800523. The reversal of 52800511 is 11500825.

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 52800511 - 2¹ = 52800509 is a prime.

It is a super-2 number, since 2×52800511² = 5575787923722242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52800311) 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, 49956 + ... + 51001.

It is an arithmetic number, because the mean of its divisors is an integer number (13225498).

Almost surely, 2^52800511 is an apocalyptic number.

52800511 is a deficient number, since it is larger than the sum of its proper divisors (101481).

52800511 is a wasteful number, since it uses less digits than its factorization.

52800511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101480.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 52800511 is about 7266.3960117792. The cubic root of 52800511 is about 375.1567013249.

The spelling of 52800511 in words is "fifty-two million, eight hundred thousand, five hundred eleven".