52181514 has 48 divisors (see below), whose sum is σ = 140961600. Its totient is φ = 13553280.

The previous prime is 52181509. The next prime is 52181531. The reversal of 52181514 is 41518125.

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 23 ways as a sum of consecutive naturals, for example, 17439 + ... + 20210.

It is an arithmetic number, because the mean of its divisors is an integer number (2936700).

Almost surely, 2^52181514 is an apocalyptic number.

52181514 is an abundant number, since it is smaller than the sum of its proper divisors (88780086).

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

52181514 is a wasteful number, since it uses less digits than its factorization.

52181514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37675 (or 37672 counting only the distinct ones).

The product of its digits is 1600, while the sum is 27.

The square root of 52181514 is about 7223.6773183746. The cubic root of 52181514 is about 373.6849081470.

Adding to 52181514 its reverse (41518125), we get a palindrome (93699639).

The spelling of 52181514 in words is "fifty-two million, one hundred eighty-one thousand, five hundred fourteen".