51163813954 has 8 divisors (see below), whose sum is σ = 83722604688. Its totient is φ = 23256279060.

The previous prime is 51163813951. The next prime is 51163813969. The reversal of 51163813954 is 45931836115.

51163813954 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×51163813954² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51163813951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1162813932 + ... + 1162813975.

It is an arithmetic number, because the mean of its divisors is an integer number (10465325586).

Almost surely, 2^51163813954 is an apocalyptic number.

51163813954 is a deficient number, since it is larger than the sum of its proper divisors (32558790734).

51163813954 is a wasteful number, since it uses less digits than its factorization.

51163813954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2325627920.

The product of its digits is 388800, while the sum is 46.

The spelling of 51163813954 in words is "fifty-one billion, one hundred sixty-three million, eight hundred thirteen thousand, nine hundred fifty-four".