52235520 has 144 divisors (see below), whose sum is σ = 170322432. Its totient is φ = 13639680.

The previous prime is 52235479. The next prime is 52235531. The reversal of 52235520 is 2553225.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 234129 + ... + 234351.

Almost surely, 2^52235520 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 52235520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85161216).

52235520 is an abundant number, since it is smaller than the sum of its proper divisors (118086912).

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

52235520 is a wasteful number, since it uses less digits than its factorization.

52235520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 52235520 is about 7227.4144754539. The cubic root of 52235520 is about 373.8137805344.

Adding to 52235520 its reverse (2553225), we get a palindrome (54788745).

The spelling of 52235520 in words is "fifty-two million, two hundred thirty-five thousand, five hundred twenty".