52555250 has 64 divisors (see below), whose sum is σ = 111196800. Its totient is φ = 18424000.

The previous prime is 52555219. The next prime is 52555289. The reversal of 52555250 is 5255525.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79421 + ... + 80079.

It is an arithmetic number, because the mean of its divisors is an integer number (1737450).

Almost surely, 2^52555250 is an apocalyptic number.

52555250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a pronic number, being equal to 7249×7250.

52555250 is an abundant number, since it is smaller than the sum of its proper divisors (58641550).

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

52555250 is a wasteful number, since it uses less digits than its factorization.

52555250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716 (or 706 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 29.

The square root of 52555250 is about 7249.4999827574. The cubic root of 52555250 is about 374.5749257545.

The spelling of 52555250 in words is "fifty-two million, five hundred fifty-five thousand, two hundred fifty".