52120250 has 128 divisors (see below), whose sum is σ = 125798400. Its totient is φ = 15724800.

The previous prime is 52120247. The next prime is 52120261. The reversal of 52120250 is 5202125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 659711 + ... + 659789.

It is an arithmetic number, because the mean of its divisors is an integer number (982800).

Almost surely, 2^52120250 is an apocalyptic number.

52120250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52120250 is an abundant number, since it is smaller than the sum of its proper divisors (73678150).

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

52120250 is a wasteful number, since it uses less digits than its factorization.

52120250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 52120250 is about 7219.4355735057. The cubic root of 52120250 is about 373.5386085880.

Adding to 52120250 its reverse (5202125), we get a palindrome (57322375).

The spelling of 52120250 in words is "fifty-two million, one hundred twenty thousand, two hundred fifty".