51172624133 has 16 divisors (see below), whose sum is σ = 54400187520. Its totient is φ = 48000761856.

The previous prime is 51172624127. The next prime is 51172624157. The reversal of 51172624133 is 33142627115.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51172624133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51172624093 and 51172624102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51172624193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 784085 + ... + 846837.

It is an arithmetic number, because the mean of its divisors is an integer number (3400011720).

Almost surely, 2^51172624133 is an apocalyptic number.

It is an amenable number.

51172624133 is a deficient number, since it is larger than the sum of its proper divisors (3227563387).

51172624133 is a wasteful number, since it uses less digits than its factorization.

51172624133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63196.

The product of its digits is 30240, while the sum is 35.

The spelling of 51172624133 in words is "fifty-one billion, one hundred seventy-two million, six hundred twenty-four thousand, one hundred thirty-three".