52149524 has 36 divisors (see below), whose sum is σ = 107179380. Its totient is φ = 22135680.

The previous prime is 52149491. The next prime is 52149551. The reversal of 52149524 is 42594125.

It can be written as a sum of positive squares in 2 ways, for example, as 19201924 + 32947600 = 4382^2 + 5740^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20144 + ... + 22584.

It is an arithmetic number, because the mean of its divisors is an integer number (2977205).

Almost surely, 2^52149524 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 52149524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53589690).

52149524 is an abundant number, since it is smaller than the sum of its proper divisors (55029856).

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

52149524 is a wasteful number, since it uses less digits than its factorization.

52149524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568 (or 2559 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 52149524 is about 7221.4627327156. The cubic root of 52149524 is about 373.6085297326.

The spelling of 52149524 in words is "fifty-two million, one hundred forty-nine thousand, five hundred twenty-four".