51000153200 has 30 divisors (see below), whose sum is σ = 122527869024. Its totient is φ = 20400061120.

The previous prime is 51000153199. The next prime is 51000153271. The reversal of 51000153200 is 235100015.

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, 63749792 + ... + 63750591.

Almost surely, 2^51000153200 is an apocalyptic number.

51000153200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51000153200 is an abundant number, since it is smaller than the sum of its proper divisors (71527715824).

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

51000153200 is a wasteful number, since it uses less digits than its factorization.

51000153200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127500401 (or 127500390 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

Adding to 51000153200 its reverse (235100015), we get a palindrome (51235253215).

The spelling of 51000153200 in words is "fifty-one billion, one hundred fifty-three thousand, two hundred".