52638924 has 48 divisors (see below), whose sum is σ = 132878592. Its totient is φ = 16122432.

The previous prime is 52638917. The next prime is 52638941. The reversal of 52638924 is 42983625.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 40387 + ... + 41669.

It is an arithmetic number, because the mean of its divisors is an integer number (2768304).

Almost surely, 2^52638924 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 52638924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66439296).

52638924 is an abundant number, since it is smaller than the sum of its proper divisors (80239668).

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

52638924 is a wasteful number, since it uses less digits than its factorization.

52638924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566 (or 1564 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 52638924 is about 7255.2687062575. The cubic root of 52638924 is about 374.7736091311.

The spelling of 52638924 in words is "fifty-two million, six hundred thirty-eight thousand, nine hundred twenty-four".