51263453622 has 16 divisors (see below), whose sum is σ = 104461377840. Its totient is φ = 16765406112.

The previous prime is 51263453603. The next prime is 51263453693. The reversal of 51263453622 is 22635436215.

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, 80602597 + ... + 80603232.

It is an arithmetic number, because the mean of its divisors is an integer number (6528836115).

Almost surely, 2^51263453622 is an apocalyptic number.

51263453622 is an abundant number, since it is smaller than the sum of its proper divisors (53197924218).

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

51263453622 is a wasteful number, since it uses less digits than its factorization.

51263453622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161205887.

The product of its digits is 259200, while the sum is 39.

Adding to 51263453622 its reverse (22635436215), we get a palindrome (73898889837).

The spelling of 51263453622 in words is "fifty-one billion, two hundred sixty-three million, four hundred fifty-three thousand, six hundred twenty-two".