52001900 has 18 divisors (see below), whose sum is σ = 112844340. Its totient is φ = 20800720.

The previous prime is 52001869. The next prime is 52001941. The reversal of 52001900 is 910025.

It is a super-2 number, since 2×52001900² = 5408395207220000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 259910 + ... + 260109.

It is an arithmetic number, because the mean of its divisors is an integer number (6269130).

Almost surely, 2^52001900 is an apocalyptic number.

52001900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52001900 is an abundant number, since it is smaller than the sum of its proper divisors (60842440).

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

52001900 is a wasteful number, since it uses less digits than its factorization.

52001900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520033 (or 520026 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 52001900 is about 7211.2342910212. The cubic root of 52001900 is about 373.2556616335.

Adding to 52001900 its reverse (910025), we get a palindrome (52911925).

The spelling of 52001900 in words is "fifty-two million, one thousand, nine hundred".