51303302545 has 8 divisors (see below), whose sum is σ = 67160687040. Its totient is φ = 37311492720.

The previous prime is 51303302527. The next prime is 51303302549. The reversal of 51303302545 is 54520330315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51303302545 - 2¹⁹ = 51302778257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51303302549) 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, 466393605 + ... + 466393714.

It is an arithmetic number, because the mean of its divisors is an integer number (8395085880).

Almost surely, 2^51303302545 is an apocalyptic number.

51303302545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51303302545 is a deficient number, since it is larger than the sum of its proper divisors (15857384495).

51303302545 is a wasteful number, since it uses less digits than its factorization.

51303302545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932787335.

The product of its (nonzero) digits is 27000, while the sum is 31.

The spelling of 51303302545 in words is "fifty-one billion, three hundred three million, three hundred two thousand, five hundred forty-five".