52521304 has 32 divisors (see below), whose sum is σ = 109466640. Its totient is φ = 23420800.

The previous prime is 52521277. The next prime is 52521311. The reversal of 52521304 is 40312525.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 967 + ... + 10294.

Almost surely, 2^52521304 is an apocalyptic number.

It is an amenable number.

52521304 is an abundant number, since it is smaller than the sum of its proper divisors (56945336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52521304 is a wasteful number, since it uses less digits than its factorization.

52521304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11331 (or 11327 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 52521304 is about 7247.1583396529. The cubic root of 52521304 is about 374.4942610631.

Adding to 52521304 its reverse (40312525), we get a palindrome (92833829).

It can be divided in two parts, 52521 and 304, that added together give a palindrome (52825).

The spelling of 52521304 in words is "fifty-two million, five hundred twenty-one thousand, three hundred four".