52311144 has 32 divisors (see below), whose sum is σ = 131620320. Its totient is φ = 17324736.

The previous prime is 52311107. The next prime is 52311151. The reversal of 52311144 is 44111325.

It is a self number, because there is not a number n which added to its sum of digits gives 52311144.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3174 + ... + 10709.

It is an arithmetic number, because the mean of its divisors is an integer number (4113135).

Almost surely, 2^52311144 is an apocalyptic number.

It is an amenable number.

52311144 is an abundant number, since it is smaller than the sum of its proper divisors (79309176).

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

52311144 is a wasteful number, since it uses less digits than its factorization.

52311144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14049 (or 14045 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 52311144 is about 7232.6443297040. The cubic root of 52311144 is about 373.9940899101.

Adding to 52311144 its reverse (44111325), we get a palindrome (96422469).

The spelling of 52311144 in words is "fifty-two million, three hundred eleven thousand, one hundred forty-four".