52511402 has 32 divisors (see below), whose sum is σ = 90849600. Its totient is φ = 22595328.

The previous prime is 52511401. The next prime is 52511441. The reversal of 52511402 is 20411525.

It is not an unprimeable number, because it can be changed into a prime (52511401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17333 + ... + 20135.

It is an arithmetic number, because the mean of its divisors is an integer number (2839050).

Almost surely, 2^52511402 is an apocalyptic number.

52511402 is a deficient number, since it is larger than the sum of its proper divisors (38338198).

52511402 is a wasteful number, since it uses less digits than its factorization.

52511402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2870.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 52511402 is about 7246.4751431299. The cubic root of 52511402 is about 374.4707247394.

Adding to 52511402 its reverse (20411525), we get a palindrome (72922927).

The spelling of 52511402 in words is "fifty-two million, five hundred eleven thousand, four hundred two".