51563607184213 has 32 divisors (see below), whose sum is σ = 56943472988160. Its totient is φ = 46473405834240.

The previous prime is 51563607184211. The next prime is 51563607184241. The reversal of 51563607184213 is 31248170636515.

It is a cyclic number.

It is not a de Polignac number, because 51563607184213 - 2¹ = 51563607184211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51563607184211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 393216528 + ... + 393347638.

It is an arithmetic number, because the mean of its divisors is an integer number (1779483530880).

Almost surely, 2^{51563607184213} is an apocalyptic number.

It is an amenable number.

51563607184213 is a deficient number, since it is larger than the sum of its proper divisors (5379865803947).

51563607184213 is a wasteful number, since it uses less digits than its factorization.

51563607184213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136009.

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 51563607184213 in words is "fifty-one trillion, five hundred sixty-three billion, six hundred seven million, one hundred eighty-four thousand, two hundred thirteen".