51380772705417 has 4 divisors (see below), whose sum is σ = 68507696940560. Its totient is φ = 34253848470276.

The previous prime is 51380772705407. The next prime is 51380772705439. The reversal of 51380772705417 is 71450727708315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 51380772705417 - 2⁴ = 51380772705401 is a prime.

It is a super-2 number, since 2×51380772705417² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51380772705407) 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, 8563462117567 + ... + 8563462117572.

It is an arithmetic number, because the mean of its divisors is an integer number (17126924235140).

Almost surely, 2^{51380772705417} is an apocalyptic number.

It is an amenable number.

51380772705417 is a deficient number, since it is larger than the sum of its proper divisors (17126924235143).

51380772705417 is a wasteful number, since it uses less digits than its factorization.

51380772705417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17126924235142.

The product of its (nonzero) digits is 11524800, while the sum is 57.

The spelling of 51380772705417 in words is "fifty-one trillion, three hundred eighty billion, seven hundred seventy-two million, seven hundred five thousand, four hundred seventeen".