51550211022 has 16 divisors (see below), whose sum is σ = 103103270400. Its totient is φ = 17182928952.

The previous prime is 51550211003. The next prime is 51550211059. The reversal of 51550211022 is 22011205515.

It is a junction number, because it is equal to n+sod(n) for n = 51550210983 and 51550211001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170979 + ... + 363777.

It is an arithmetic number, because the mean of its divisors is an integer number (6443954400).

Almost surely, 2^51550211022 is an apocalyptic number.

51550211022 is an abundant number, since it is smaller than the sum of its proper divisors (51553059378).

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

51550211022 is a wasteful number, since it uses less digits than its factorization.

51550211022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237367.

The product of its (nonzero) digits is 1000, while the sum is 24.

Adding to 51550211022 its reverse (22011205515), we get a palindrome (73561416537).

The spelling of 51550211022 in words is "fifty-one billion, five hundred fifty million, two hundred eleven thousand, twenty-two".