52491000200 has 96 divisors (see below), whose sum is σ = 129436090560. Its totient is φ = 19754169600.

The previous prime is 52491000157. The next prime is 52491000227. The reversal of 52491000200 is 200019425.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187067 + ... + 374133.

It is an arithmetic number, because the mean of its divisors is an integer number (1348292610).

Almost surely, 2^52491000200 is an apocalyptic number.

52491000200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52491000200 is the 187067-th pentagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52491000200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64718045280).

52491000200 is an abundant number, since it is smaller than the sum of its proper divisors (76945090360).

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

52491000200 is a wasteful number, since it uses less digits than its factorization.

52491000200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187167 (or 187158 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 52491000200 its reverse (200019425), we get a palindrome (52691019625).

The spelling of 52491000200 in words is "fifty-two billion, four hundred ninety-one million, two hundred", and thus it is an aban number.