52728250 has 16 divisors (see below), whose sum is σ = 98707752. Its totient is φ = 21091200.

The previous prime is 52728239. The next prime is 52728251. The reversal of 52728250 is 5282725.

It can be written as a sum of positive squares in 4 ways, for example, as 2474329 + 50253921 = 1573^2 + 7089^2 .

It is not an unprimeable number, because it can be changed into a prime (52728251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105207 + ... + 105706.

Almost surely, 2^52728250 is an apocalyptic number.

52728250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52728250 is a deficient number, since it is larger than the sum of its proper divisors (45979502).

52728250 is a wasteful number, since it uses less digits than its factorization.

52728250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210930 (or 210920 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 52728250 is about 7261.4220370393. The cubic root of 52728250 is about 374.9854809193.

The spelling of 52728250 in words is "fifty-two million, seven hundred twenty-eight thousand, two hundred fifty".