51230452200 has 96 divisors (see below), whose sum is σ = 160387011360. Its totient is φ = 13526176000.

The previous prime is 51230452199. The next prime is 51230452213. The reversal of 51230452200 is 225403215.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 362094 + ... + 483293.

It is an arithmetic number, because the mean of its divisors is an integer number (1670698035).

Almost surely, 2^51230452200 is an apocalyptic number.

51230452200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51230452200 is an abundant number, since it is smaller than the sum of its proper divisors (109156559160).

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

51230452200 is a wasteful number, since it uses less digits than its factorization.

51230452200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845507 (or 845498 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 51230452200 its reverse (225403215), we get a palindrome (51455855415).

The spelling of 51230452200 in words is "fifty-one billion, two hundred thirty million, four hundred fifty-two thousand, two hundred".