51846913223201 has 4 divisors (see below), whose sum is σ = 52381417483332. Its totient is φ = 51312408963072.

The previous prime is 51846913223191. The next prime is 51846913223233. The reversal of 51846913223201 is 10232231964815.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21190149932176 + 30656763291025 = 4603276^2 + 5536855^2 .

It is a cyclic number.

It is not a de Polignac number, because 51846913223201 - 2⁶ = 51846913223137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51846913223701) 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, 267252129920 + ... + 267252130113.

It is an arithmetic number, because the mean of its divisors is an integer number (13095354370833).

Almost surely, 2^{51846913223201} is an apocalyptic number.

It is an amenable number.

51846913223201 is a deficient number, since it is larger than the sum of its proper divisors (534504260131).

51846913223201 is an equidigital number, since it uses as much as digits as its factorization.

51846913223201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534504260130.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 51846913223201 in words is "fifty-one trillion, eight hundred forty-six billion, nine hundred thirteen million, two hundred twenty-three thousand, two hundred one".