51122545233 has 4 divisors (see below), whose sum is σ = 68163393648. Its totient is φ = 34081696820.

The previous prime is 51122545217. The next prime is 51122545277. The reversal of 51122545233 is 33254522115.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51122545233 - 2⁴ = 51122545217 is a prime.

It is a super-2 number, since 2×51122545233² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51122545194 and 51122545203.

It is not an unprimeable number, because it can be changed into a prime (51122545283) 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, 8520424203 + ... + 8520424208.

It is an arithmetic number, because the mean of its divisors is an integer number (17040848412).

Almost surely, 2^51122545233 is an apocalyptic number.

It is an amenable number.

51122545233 is a deficient number, since it is larger than the sum of its proper divisors (17040848415).

51122545233 is a wasteful number, since it uses less digits than its factorization.

51122545233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17040848414.

The product of its digits is 36000, while the sum is 33.

The spelling of 51122545233 in words is "fifty-one billion, one hundred twenty-two million, five hundred forty-five thousand, two hundred thirty-three".