51574490200 has 48 divisors (see below), whose sum is σ = 121355435880. Its totient is φ = 20381237760.

The previous prime is 51574490189. The next prime is 51574490203. The reversal of 51574490200 is 209447515.

It is a self number, because there is not a number n which added to its sum of digits gives 51574490200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51574490203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1536849 + ... + 1570048.

Almost surely, 2^51574490200 is an apocalyptic number.

51574490200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51574490200 is an abundant number, since it is smaller than the sum of its proper divisors (69780945680).

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

51574490200 is a wasteful number, since it uses less digits than its factorization.

51574490200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3106996 (or 3106987 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 51574490200 in words is "fifty-one billion, five hundred seventy-four million, four hundred ninety thousand, two hundred".