51268404455 has 8 divisors (see below), whose sum is σ = 62300846400. Its totient is φ = 40495549536.

The previous prime is 51268404433. The next prime is 51268404527. The reversal of 51268404455 is 55440486215.

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

It is a cyclic number.

It is not a de Polignac number, because 51268404455 - 2⁸ = 51268404199 is a prime.

It is a super-2 number, since 2×51268404455² (a number of 22 digits) contains 22 as substring.

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, 64896320 + ... + 64897109.

It is an arithmetic number, because the mean of its divisors is an integer number (7787605800).

Almost surely, 2^51268404455 is an apocalyptic number.

51268404455 is a deficient number, since it is larger than the sum of its proper divisors (11032441945).

51268404455 is a wasteful number, since it uses less digits than its factorization.

51268404455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129793513.

The product of its (nonzero) digits is 768000, while the sum is 44.

The spelling of 51268404455 in words is "fifty-one billion, two hundred sixty-eight million, four hundred four thousand, four hundred fifty-five".