52281164 has 18 divisors (see below), whose sum is σ = 99072540. Its totient is φ = 24129456.

The previous prime is 52281127. The next prime is 52281167. The reversal of 52281164 is 46118225.

It is not an unprimeable number, because it can be changed into a prime (52281167) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37994 + ... + 39345.

It is an arithmetic number, because the mean of its divisors is an integer number (5504030).

Almost surely, 2^52281164 is an apocalyptic number.

It is an amenable number.

52281164 is a deficient number, since it is larger than the sum of its proper divisors (46791376).

52281164 is a wasteful number, since it uses less digits than its factorization.

52281164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77369 (or 77354 counting only the distinct ones).

The product of its digits is 3840, while the sum is 29.

The square root of 52281164 is about 7230.5714850211. The cubic root of 52281164 is about 373.9226297673.

Adding to 52281164 its reverse (46118225), we get a palindrome (98399389).

It can be divided in two parts, 52 and 281164, that multiplied together give a triangular number (14620528 = T₅₄₀₇).

The spelling of 52281164 in words is "fifty-two million, two hundred eighty-one thousand, one hundred sixty-four".