51230771033 has 12 divisors (see below), whose sum is σ = 55481287788. Its totient is φ = 47284361280.

The previous prime is 51230771023. The next prime is 51230771051. The reversal of 51230771033 is 33017703215.

It can be written as a sum of positive squares in 6 ways, for example, as 3840528784 + 47390242249 = 61972^2 + 217693^2 .

It is not a de Polignac number, because 51230771033 - 2⁸ = 51230770777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51230771023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2317991 + ... + 2339987.

It is an arithmetic number, because the mean of its divisors is an integer number (4623440649).

Almost surely, 2^51230771033 is an apocalyptic number.

It is an amenable number.

51230771033 is a deficient number, since it is larger than the sum of its proper divisors (4250516755).

51230771033 is a wasteful number, since it uses less digits than its factorization.

51230771033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35804 (or 35791 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 32.

The spelling of 51230771033 in words is "fifty-one billion, two hundred thirty million, seven hundred seventy-one thousand, thirty-three".