52118144 has 32 divisors (see below), whose sum is σ = 111819540. Its totient is φ = 24053760.

The previous prime is 52118113. The next prime is 52118147. The reversal of 52118144 is 44181125.

It can be written as a sum of positive squares in 2 ways, for example, as 50580544 + 1537600 = 7112^2 + 1240^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (52118147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13997 + ... + 17324.

Almost surely, 2^52118144 is an apocalyptic number.

It is an amenable number.

52118144 is an abundant number, since it is smaller than the sum of its proper divisors (59701396).

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

52118144 is a wasteful number, since it uses less digits than its factorization.

52118144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31348 (or 31336 counting only the distinct ones).

The product of its digits is 1280, while the sum is 26.

The square root of 52118144 is about 7219.2897157546. The cubic root of 52118144 is about 373.5335773836.

Adding to 52118144 its reverse (44181125), we get a palindrome (96299269).

The spelling of 52118144 in words is "fifty-two million, one hundred eighteen thousand, one hundred forty-four".