51635204123422 has 8 divisors (see below), whose sum is σ = 80123592605400. Its totient is φ = 24927339921624.

The previous prime is 51635204123417. The next prime is 51635204123423. The reversal of 51635204123422 is 22432140253615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×51635204123422² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51635204123423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445131069972 + ... + 445131070087.

It is an arithmetic number, because the mean of its divisors is an integer number (10015449075675).

Almost surely, 2^{51635204123422} is an apocalyptic number.

51635204123422 is a deficient number, since it is larger than the sum of its proper divisors (28488388481978).

51635204123422 is a wasteful number, since it uses less digits than its factorization.

51635204123422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890262140090.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 51635204123422 in words is "fifty-one trillion, six hundred thirty-five billion, two hundred four million, one hundred twenty-three thousand, four hundred twenty-two".