51254513233 has 8 divisors (see below), whose sum is σ = 63901730880. Its totient is φ = 39938581680.

The previous prime is 51254513197. The next prime is 51254513237. The reversal of 51254513233 is 33231545215.

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 51254513233 - 2²⁵ = 51220958801 is a prime.

It is a super-2 number, since 2×51254513233² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51254513237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332821438 + ... + 332821591.

It is an arithmetic number, because the mean of its divisors is an integer number (7987716360).

Almost surely, 2^51254513233 is an apocalyptic number.

It is an amenable number.

51254513233 is a deficient number, since it is larger than the sum of its proper divisors (12647217647).

51254513233 is a wasteful number, since it uses less digits than its factorization.

51254513233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665643047.

The product of its digits is 54000, while the sum is 34.

The spelling of 51254513233 in words is "fifty-one billion, two hundred fifty-four million, five hundred thirteen thousand, two hundred thirty-three".