51563164036 has 24 divisors (see below), whose sum is σ = 92895626880. Its totient is φ = 25024884192.

The previous prime is 51563164033. The next prime is 51563164061. The reversal of 51563164036 is 63046136515.

It is a self number, because there is not a number n which added to its sum of digits gives 51563164036.

It is not an unprimeable number, because it can be changed into a prime (51563164033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353740 + ... + 477763.

It is an arithmetic number, because the mean of its divisors is an integer number (3870651120).

Almost surely, 2^51563164036 is an apocalyptic number.

It is an amenable number.

51563164036 is a deficient number, since it is larger than the sum of its proper divisors (41332462844).

51563164036 is a wasteful number, since it uses less digits than its factorization.

51563164036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831963 (or 831961 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 51563164036 in words is "fifty-one billion, five hundred sixty-three million, one hundred sixty-four thousand, thirty-six".