52051900 has 36 divisors (see below), whose sum is σ = 113381632. Its totient is φ = 20741760.

The previous prime is 52051891. The next prime is 52051913. The reversal of 52051900 is 915025.

It is a super-2 number, since 2×52051900² = 5418800587220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30469 + ... + 32131.

Almost surely, 2^52051900 is an apocalyptic number.

52051900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52051900 is an abundant number, since it is smaller than the sum of its proper divisors (61329732).

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

52051900 is a wasteful number, since it uses less digits than its factorization.

52051900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990 (or 1983 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 52051900 is about 7214.7002709745. The cubic root of 52051900 is about 373.3752521667.

Adding to 52051900 its reverse (915025), we get a palindrome (52966925).

The spelling of 52051900 in words is "fifty-two million, fifty-one thousand, nine hundred".