53252532 has 48 divisors (see below), whose sum is σ = 138532800. Its totient is φ = 17690400.

The previous prime is 53252491. The next prime is 53252539. The reversal of 53252532 is 23525235.

It is a super-2 number, since 2×53252532² = 5671664328822048, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 53252496 and 53252505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53252539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40282 + ... + 41582.

It is an arithmetic number, because the mean of its divisors is an integer number (2886100).

Almost surely, 2^53252532 is an apocalyptic number.

It is an amenable number.

53252532 is an abundant number, since it is smaller than the sum of its proper divisors (85280268).

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

53252532 is a wasteful number, since it uses less digits than its factorization.

53252532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693 (or 1685 counting only the distinct ones).

The product of its digits is 9000, while the sum is 27.

The square root of 53252532 is about 7297.4332473823. The cubic root of 53252532 is about 376.2242230587.

Adding to 53252532 its reverse (23525235), we get a palindrome (76777767).

The spelling of 53252532 in words is "fifty-three million, two hundred fifty-two thousand, five hundred thirty-two".