51045817353 has 16 divisors (see below), whose sum is σ = 68339284416. Its totient is φ = 33891576320.

The previous prime is 51045817327. The next prime is 51045817369. The reversal of 51045817353 is 35371854015.

It is a cyclic number.

It is not a de Polignac number, because 51045817353 - 2¹⁴ = 51045800969 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51045819353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1693825 + ... + 1723697.

It is an arithmetic number, because the mean of its divisors is an integer number (4271205276).

Almost surely, 2^51045817353 is an apocalyptic number.

It is an amenable number.

51045817353 is a deficient number, since it is larger than the sum of its proper divisors (17293467063).

51045817353 is a wasteful number, since it uses less digits than its factorization.

51045817353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32184.

The product of its (nonzero) digits is 252000, while the sum is 42.

The spelling of 51045817353 in words is "fifty-one billion, forty-five million, eight hundred seventeen thousand, three hundred fifty-three".