51445412255 has 8 divisors (see below), whose sum is σ = 62280818352. Its totient is φ = 40792114048.

The previous prime is 51445412243. The next prime is 51445412303. The reversal of 51445412255 is 55221454415.

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 51445412255 - 2²² = 51441217951 is a prime.

It is a Duffinian number.

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, 45526349 + ... + 45527478.

It is an arithmetic number, because the mean of its divisors is an integer number (7785102294).

Almost surely, 2^51445412255 is an apocalyptic number.

51445412255 is a deficient number, since it is larger than the sum of its proper divisors (10835406097).

51445412255 is a wasteful number, since it uses less digits than its factorization.

51445412255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91053945.

The product of its digits is 160000, while the sum is 38.

The spelling of 51445412255 in words is "fifty-one billion, four hundred forty-five million, four hundred twelve thousand, two hundred fifty-five".