51612747422 has 32 divisors (see below), whose sum is σ = 83174169600. Its totient is φ = 23935080960.

The previous prime is 51612747413. The next prime is 51612747449. The reversal of 51612747422 is 22474721615.

It is a self number, because there is not a number n which added to its sum of digits gives 51612747422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 603272 + ... + 683492.

It is an arithmetic number, because the mean of its divisors is an integer number (2599192800).

Almost surely, 2^51612747422 is an apocalyptic number.

51612747422 is a deficient number, since it is larger than the sum of its proper divisors (31561422178).

51612747422 is a wasteful number, since it uses less digits than its factorization.

51612747422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80516.

The product of its digits is 188160, while the sum is 41.

The spelling of 51612747422 in words is "fifty-one billion, six hundred twelve million, seven hundred forty-seven thousand, four hundred twenty-two".