51245354422 has 16 divisors (see below), whose sum is σ = 77598644112. Its totient is φ = 25379215360.

The previous prime is 51245354327. The next prime is 51245354429. The reversal of 51245354422 is 22445354215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51245354429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1714518 + ... + 1744150.

It is an arithmetic number, because the mean of its divisors is an integer number (4849915257).

Almost surely, 2^51245354422 is an apocalyptic number.

51245354422 is a deficient number, since it is larger than the sum of its proper divisors (26353289690).

51245354422 is a wasteful number, since it uses less digits than its factorization.

51245354422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37823.

The product of its digits is 192000, while the sum is 37.

The spelling of 51245354422 in words is "fifty-one billion, two hundred forty-five million, three hundred fifty-four thousand, four hundred twenty-two".