51451522234 has 32 divisors (see below), whose sum is σ = 92435212800. Its totient is φ = 21454678224.

The previous prime is 51451522231. The next prime is 51451522253. The reversal of 51451522234 is 43222515415.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 51451522234.

It is not an unprimeable number, because it can be changed into a prime (51451522231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 988162 + ... + 1038925.

It is an arithmetic number, because the mean of its divisors is an integer number (2888600400).

Almost surely, 2^51451522234 is an apocalyptic number.

51451522234 is a deficient number, since it is larger than the sum of its proper divisors (40983690566).

51451522234 is a wasteful number, since it uses less digits than its factorization.

51451522234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027147 (or 2027133 counting only the distinct ones).

The product of its digits is 48000, while the sum is 34.

The spelling of 51451522234 in words is "fifty-one billion, four hundred fifty-one million, five hundred twenty-two thousand, two hundred thirty-four".