252055520 has 48 divisors (see below), whose sum is σ = 626829840. Its totient is φ = 95514624.

The previous prime is 252055519. The next prime is 252055571. The reversal of 252055520 is 25550252.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 252055520.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38417 + ... + 44496.

It is an arithmetic number, because the mean of its divisors is an integer number (13058955).

Almost surely, 2^252055520 is an apocalyptic number.

252055520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252055520 is an abundant number, since it is smaller than the sum of its proper divisors (374774320).

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

252055520 is a wasteful number, since it uses less digits than its factorization.

252055520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82947 (or 82939 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 26.

The square root of 252055520 is about 15876.2564857085. The cubic root of 252055520 is about 631.6823431696.

The spelling of 252055520 in words is "two hundred fifty-two million, fifty-five thousand, five hundred twenty".