51104555093 has 4 divisors (see below), whose sum is σ = 51154609548. Its totient is φ = 51054500640.

The previous prime is 51104555069. The next prime is 51104555153. The reversal of 51104555093 is 39055540115.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39055540115 = 5 ⋅7811108023.

It can be written as a sum of positive squares in 2 ways, for example, as 15962553649 + 35142001444 = 126343^2 + 187462^2 .

It is a cyclic number.

It is not a de Polignac number, because 51104555093 - 2³⁰ = 50030813269 is a prime.

It is a super-2 number, since 2×51104555093² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51104555053) 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, 25025696 + ... + 25027737.

It is an arithmetic number, because the mean of its divisors is an integer number (12788652387).

Almost surely, 2^51104555093 is an apocalyptic number.

It is an amenable number.

51104555093 is a deficient number, since it is larger than the sum of its proper divisors (50054455).

51104555093 is a wasteful number, since it uses less digits than its factorization.

51104555093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50054454.

The product of its (nonzero) digits is 67500, while the sum is 38.

The spelling of 51104555093 in words is "fifty-one billion, one hundred four million, five hundred fifty-five thousand, ninety-three".