52912144 has 40 divisors (see below), whose sum is σ = 108832320. Its totient is φ = 24866688.

The previous prime is 52912141. The next prime is 52912147. The reversal of 52912144 is 44121925.

It is an interprime number because it is at equal distance from previous prime (52912141) and next prime (52912147).

It is not an unprimeable number, because it can be changed into a prime (52912141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20494 + ... + 22930.

It is an arithmetic number, because the mean of its divisors is an integer number (2720808).

Almost surely, 2^52912144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52912144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54416160).

52912144 is an abundant number, since it is smaller than the sum of its proper divisors (55920176).

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

52912144 is a wasteful number, since it uses less digits than its factorization.

52912144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2527 (or 2521 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 52912144 is about 7274.0734117824. The cubic root of 52912144 is about 375.4209057625.

The spelling of 52912144 in words is "fifty-two million, nine hundred twelve thousand, one hundred forty-four".