51422150100 has 72 divisors (see below), whose sum is σ = 151947024768. Its totient is φ = 13420812800.

The previous prime is 51422150093. The next prime is 51422150141. The reversal of 51422150100 is 105122415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1809381 + ... + 1837580.

It is an arithmetic number, because the mean of its divisors is an integer number (2110375344).

Almost surely, 2^51422150100 is an apocalyptic number.

51422150100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51422150100 is an abundant number, since it is smaller than the sum of its proper divisors (100524874668).

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

51422150100 is a wasteful number, since it uses less digits than its factorization.

51422150100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3647025 (or 3647018 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 51422150100 its reverse (105122415), we get a palindrome (51527272515).

The spelling of 51422150100 in words is "fifty-one billion, four hundred twenty-two million, one hundred fifty thousand, one hundred".