51724410971 has 4 divisors (see below), whose sum is σ = 51726597552. Its totient is φ = 51722224392.

The previous prime is 51724410889. The next prime is 51724410977. The reversal of 51724410971 is 17901442715.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51724410971 - 2¹⁴ = 51724394587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51724410977) 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, 1057415 + ... + 1105248.

It is an arithmetic number, because the mean of its divisors is an integer number (12931649388).

Almost surely, 2^51724410971 is an apocalyptic number.

51724410971 is a deficient number, since it is larger than the sum of its proper divisors (2186581).

51724410971 is a wasteful number, since it uses less digits than its factorization.

51724410971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2186580.

The product of its (nonzero) digits is 70560, while the sum is 41.

The spelling of 51724410971 in words is "fifty-one billion, seven hundred twenty-four million, four hundred ten thousand, nine hundred seventy-one".