51610904200 has 48 divisors (see below), whose sum is σ = 121343656500. Its totient is φ = 20412395520.

The previous prime is 51610904183. The next prime is 51610904207. The reversal of 51610904200 is 240901615.

It can be written as a sum of positive squares in 6 ways, for example, as 682149924 + 50928754276 = 26118^2 + 225674^2 .

It is not an unprimeable number, because it can be changed into a prime (51610904207) 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, 1431945 + ... + 1467544.

Almost surely, 2^51610904200 is an apocalyptic number.

51610904200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51610904200 is an abundant number, since it is smaller than the sum of its proper divisors (69732752300).

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

51610904200 is a wasteful number, since it uses less digits than its factorization.

51610904200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2899594 (or 2899585 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 51610904200 in words is "fifty-one billion, six hundred ten million, nine hundred four thousand, two hundred".