52515404 has 36 divisors (see below), whose sum is σ = 97015464. Its totient is φ = 24866688.

The previous prime is 52515391. The next prime is 52515439. The reversal of 52515404 is 40451525.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 225272 + ... + 225504.

It is an arithmetic number, because the mean of its divisors is an integer number (2694874).

Almost surely, 2^52515404 is an apocalyptic number.

It is an amenable number.

52515404 is a deficient number, since it is larger than the sum of its proper divisors (44500060).

52515404 is a wasteful number, since it uses less digits than its factorization.

52515404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 52515404 is about 7246.7512721219. The cubic root of 52515404 is about 374.4802375545.

Adding to 52515404 its reverse (40451525), we get a palindrome (92966929).

The spelling of 52515404 in words is "fifty-two million, five hundred fifteen thousand, four hundred four".