51354561162243 has 8 divisors (see below), whose sum is σ = 68473788514128. Its totient is φ = 34235853959264.

The previous prime is 51354561162169. The next prime is 51354561162259. The reversal of 51354561162243 is 34226116545315.

It is a happy number.

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 51354561162243 - 2²⁵ = 51354527607811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51354561162192 and 51354561162201.

It is not an unprimeable number, because it can be changed into a prime (51354561162043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129806796 + ... + 130201817.

It is an arithmetic number, because the mean of its divisors is an integer number (8559223564266).

Almost surely, 2^{51354561162243} is an apocalyptic number.

51354561162243 is a deficient number, since it is larger than the sum of its proper divisors (17119227351885).

51354561162243 is a wasteful number, since it uses less digits than its factorization.

51354561162243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260074453.

The product of its digits is 2592000, while the sum is 48.

The spelling of 51354561162243 in words is "fifty-one trillion, three hundred fifty-four billion, five hundred sixty-one million, one hundred sixty-two thousand, two hundred forty-three".