52545404 has 6 divisors (see below), whose sum is σ = 91954464. Its totient is φ = 26272700.

The previous prime is 52545397. The next prime is 52545421. The reversal of 52545404 is 40454525.

It is a super-2 number, since 2×52545404² = 5522038963046432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6568172 + ... + 6568179.

It is an arithmetic number, because the mean of its divisors is an integer number (15325744).

Almost surely, 2^52545404 is an apocalyptic number.

It is an amenable number.

52545404 is a deficient number, since it is larger than the sum of its proper divisors (39409060).

52545404 is a wasteful number, since it uses less digits than its factorization.

52545404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13136355 (or 13136353 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 52545404 is about 7248.8208696311. The cubic root of 52545404 is about 374.5515326266.

Adding to 52545404 its reverse (40454525), we get a palindrome (92999929).

The spelling of 52545404 in words is "fifty-two million, five hundred forty-five thousand, four hundred four".