51436105853386 has 16 divisors (see below), whose sum is σ = 77920017333120. Its totient is φ = 25462779526800.

The previous prime is 51436105853359. The next prime is 51436105853467. The reversal of 51436105853386 is 68335850163415.

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 51436105853386.

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, 4921555 + ... + 11273593.

It is an arithmetic number, because the mean of its divisors is an integer number (4870001083320).

Almost surely, 2^{51436105853386} is an apocalyptic number.

51436105853386 is a deficient number, since it is larger than the sum of its proper divisors (26483911479734).

51436105853386 is a wasteful number, since it uses less digits than its factorization.

51436105853386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6392229.

The product of its (nonzero) digits is 31104000, while the sum is 58.

The spelling of 51436105853386 in words is "fifty-one trillion, four hundred thirty-six billion, one hundred five million, eight hundred fifty-three thousand, three hundred eighty-six".