51306523153 has 8 divisors (see below), whose sum is σ = 51687754272. Its totient is φ = 50925389856.

The previous prime is 51306523139. The next prime is 51306523181. The reversal of 51306523153 is 35132560315.

51306523153 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 cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51306523153 is a prime.

It is a super-2 number, since 2×51306523153² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51306523183) 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, 1288326 + ... + 1327552.

It is an arithmetic number, because the mean of its divisors is an integer number (6460969284).

Almost surely, 2^51306523153 is an apocalyptic number.

It is an amenable number.

51306523153 is a deficient number, since it is larger than the sum of its proper divisors (381231119).

51306523153 is a wasteful number, since it uses less digits than its factorization.

51306523153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48911.

The product of its (nonzero) digits is 40500, while the sum is 34.

The spelling of 51306523153 in words is "fifty-one billion, three hundred six million, five hundred twenty-three thousand, one hundred fifty-three".