51344510051 has 4 divisors (see below), whose sum is σ = 51549070104. Its totient is φ = 51139950000.

The previous prime is 51344510033. The next prime is 51344510099. The reversal of 51344510051 is 15001544315.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15001544315 = 5 ⋅3000308863.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51344510051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51344509996 and 51344510023.

It is not an unprimeable number, because it can be changed into a prime (51344510251) 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, 102279650 + ... + 102280151.

It is an arithmetic number, because the mean of its divisors is an integer number (12887267526).

Almost surely, 2^51344510051 is an apocalyptic number.

51344510051 is a deficient number, since it is larger than the sum of its proper divisors (204560053).

51344510051 is a wasteful number, since it uses less digits than its factorization.

51344510051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204560052.

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 51344510051 in words is "fifty-one billion, three hundred forty-four million, five hundred ten thousand, fifty-one".