51030958400 has 42 divisors (see below), whose sum is σ = 125568055950. Its totient is φ = 20412382720.

The previous prime is 51030958393. The next prime is 51030958471. The reversal of 51030958400 is 485903015.

It can be written as a sum of positive squares in 3 ways, for example, as 10149353536 + 40881604864 = 100744^2 + 202192^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15945575 + ... + 15948774.

Almost surely, 2^51030958400 is an apocalyptic number.

51030958400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51030958400 is an abundant number, since it is smaller than the sum of its proper divisors (74537097550).

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

51030958400 is a wasteful number, since it uses less digits than its factorization.

51030958400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31894371 (or 31894356 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 51030958400 in words is "fifty-one billion, thirty million, nine hundred fifty-eight thousand, four hundred".