52531173 has 20 divisors (see below), whose sum is σ = 83090700. Its totient is φ = 32959872.

The previous prime is 52531163. The next prime is 52531183. The reversal of 52531173 is 37113525.

It is an interprime number because it is at equal distance from previous prime (52531163) and next prime (52531183).

It can be written as a sum of positive squares in 2 ways, for example, as 44595684 + 7935489 = 6678^2 + 2817^2 .

It is not a de Polignac number, because 52531173 - 2⁹ = 52530661 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52531153) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17698 + ... + 20451.

It is an arithmetic number, because the mean of its divisors is an integer number (4154535).

Almost surely, 2^52531173 is an apocalyptic number.

It is an amenable number.

52531173 is a deficient number, since it is larger than the sum of its proper divisors (30559527).

52531173 is a wasteful number, since it uses less digits than its factorization.

52531173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38178 (or 38169 counting only the distinct ones).

The product of its digits is 3150, while the sum is 27.

The square root of 52531173 is about 7247.8391952361. The cubic root of 52531173 is about 374.5177160050.

Adding to 52531173 its reverse (37113525), we get a palindrome (89644698).

The spelling of 52531173 in words is "fifty-two million, five hundred thirty-one thousand, one hundred seventy-three".