51522201100 has 36 divisors (see below), whose sum is σ = 116664189264. Its totient is φ = 19712841280.

The previous prime is 51522201083. The next prime is 51522201127. The reversal of 51522201100 is 110222515.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11198179 + ... + 11202778.

It is an arithmetic number, because the mean of its divisors is an integer number (3240671924).

Almost surely, 2^51522201100 is an apocalyptic number.

51522201100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51522201100 is an abundant number, since it is smaller than the sum of its proper divisors (65141988164).

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

51522201100 is a wasteful number, since it uses less digits than its factorization.

51522201100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22400994 (or 22400987 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

Adding to 51522201100 its reverse (110222515), we get a palindrome (51632423615).

The spelling of 51522201100 in words is "fifty-one billion, five hundred twenty-two million, two hundred one thousand, one hundred".