51758313800 has 36 divisors (see below), whose sum is σ = 120345560505. Its totient is φ = 20702038560.

The previous prime is 51758313779. The next prime is 51758313829. The reversal of 51758313800 is 831385715.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 50723147524 + 1035166276 = 225218^2 + 32174^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=160870.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3209357 + ... + 3225443.

Almost surely, 2^51758313800 is an apocalyptic number.

51758313800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51758313800 is an abundant number, since it is smaller than the sum of its proper divisors (68587246705).

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

51758313800 is an frugal number, since it uses more digits than its factorization.

51758313800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32190 (or 16094 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 51758313800 in words is "fifty-one billion, seven hundred fifty-eight million, three hundred thirteen thousand, eight hundred".