52191524 has 48 divisors (see below), whose sum is σ = 116678016. Its totient is φ = 19833600.

The previous prime is 52191487. The next prime is 52191533. The reversal of 52191524 is 42519125.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

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, 10562 + ... + 14694.

It is an arithmetic number, because the mean of its divisors is an integer number (2430792).

Almost surely, 2^52191524 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 52191524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58339008).

52191524 is an abundant number, since it is smaller than the sum of its proper divisors (64486492).

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

52191524 is a wasteful number, since it uses less digits than its factorization.

52191524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4196 (or 4194 counting only the distinct ones).

The product of its digits is 3600, while the sum is 29.

The square root of 52191524 is about 7224.3701455559. The cubic root of 52191524 is about 373.7088013260.

The spelling of 52191524 in words is "fifty-two million, one hundred ninety-one thousand, five hundred twenty-four".