52118424 has 64 divisors (see below), whose sum is σ = 146268000. Its totient is φ = 17193600.

The previous prime is 52118411. The next prime is 52118497. The reversal of 52118424 is 42481125.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20622 + ... + 23010.

Almost surely, 2^52118424 is an apocalyptic number.

52118424 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52118424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73134000).

52118424 is an abundant number, since it is smaller than the sum of its proper divisors (94149576).

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

52118424 is a wasteful number, since it uses less digits than its factorization.

52118424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505 (or 2495 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 52118424 is about 7219.3091082180. The cubic root of 52118424 is about 373.5342463074.

Adding to 52118424 its reverse (42481125), we get a palindrome (94599549).

The spelling of 52118424 in words is "fifty-two million, one hundred eighteen thousand, four hundred twenty-four".