52504331 has 16 divisors (see below), whose sum is σ = 60238080. Its totient is φ = 45297120.

The previous prime is 52504327. The next prime is 52504337. The reversal of 52504331 is 13340525.

It is not a de Polignac number, because 52504331 - 2² = 52504327 is a prime.

It is a super-2 number, since 2×52504331² = 5513409547515122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52504297 and 52504306.

It is not an unprimeable number, because it can be changed into a prime (52504337) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 34421 + ... + 35913.

It is an arithmetic number, because the mean of its divisors is an integer number (3764880).

Almost surely, 2^52504331 is an apocalyptic number.

52504331 is a deficient number, since it is larger than the sum of its proper divisors (7733749).

52504331 is a wasteful number, since it uses less digits than its factorization.

52504331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 52504331 is about 7245.9872343249. The cubic root of 52504331 is about 374.4539156830.

Adding to 52504331 its reverse (13340525), we get a palindrome (65844856).

The spelling of 52504331 in words is "fifty-two million, five hundred four thousand, three hundred thirty-one".