51252333545 has 16 divisors (see below), whose sum is σ = 70480455168. Its totient is φ = 35048687040.

The previous prime is 51252333527. The next prime is 51252333571. The reversal of 51252333545 is 54533325215.

It is not a de Polignac number, because 51252333545 - 2¹⁴ = 51252317161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51252333499 and 51252333508.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1982186 + ... + 2007875.

It is an arithmetic number, because the mean of its divisors is an integer number (4405028448).

Almost surely, 2^51252333545 is an apocalyptic number.

It is an amenable number.

51252333545 is a deficient number, since it is larger than the sum of its proper divisors (19228121623).

51252333545 is a wasteful number, since it uses less digits than its factorization.

51252333545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3990440.

The product of its digits is 270000, while the sum is 38.

The spelling of 51252333545 in words is "fifty-one billion, two hundred fifty-two million, three hundred thirty-three thousand, five hundred forty-five".