52189700 has 18 divisors (see below), whose sum is σ = 113251866. Its totient is φ = 20875840.

The previous prime is 52189699. The next prime is 52189703. The reversal of 52189700 is 798125.

It can be written as a sum of positive squares in 3 ways, for example, as 2515396 + 49674304 = 1586^2 + 7048^2 .

It is not an unprimeable number, because it can be changed into a prime (52189703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 260849 + ... + 261048.

Almost surely, 2^52189700 is an apocalyptic number.

52189700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52189700 is an abundant number, since it is smaller than the sum of its proper divisors (61062166).

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

52189700 is a wasteful number, since it uses less digits than its factorization.

52189700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521911 (or 521904 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 52189700 is about 7224.2439050741. The cubic root of 52189700 is about 373.7044477916.

The spelling of 52189700 in words is "fifty-two million, one hundred eighty-nine thousand, seven hundred".