52550331 has 12 divisors (see below), whose sum is σ = 73248168. Its totient is φ = 33509344.

The previous prime is 52550299. The next prime is 52550389. The reversal of 52550331 is 13305525.

It is not a de Polignac number, because 52550331 - 2⁵ = 52550299 is a prime.

It is a super-2 number, since 2×52550331² = 5523074576419122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (52550131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14970 + ... + 18143.

It is an arithmetic number, because the mean of its divisors is an integer number (6104014).

Almost surely, 2^52550331 is an apocalyptic number.

52550331 is a deficient number, since it is larger than the sum of its proper divisors (20697837).

52550331 is a wasteful number, since it uses less digits than its factorization.

52550331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33162 (or 33139 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 52550331 is about 7249.1607100409. The cubic root of 52550331 is about 374.5632390594.

Adding to 52550331 its reverse (13305525), we get a palindrome (65855856).

The spelling of 52550331 in words is "fifty-two million, five hundred fifty thousand, three hundred thirty-one".