51504212229 has 8 divisors (see below), whose sum is σ = 68681914752. Its totient is φ = 34331325600.

The previous prime is 51504212213. The next prime is 51504212267. The reversal of 51504212229 is 92221240515.

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

It is not a de Polignac number, because 51504212229 - 2⁴ = 51504212213 is a prime.

It is a super-3 number, since 3×51504212229³ (a number of 33 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51504212229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51504012229) 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, 1178944 + ... + 1221849.

It is an arithmetic number, because the mean of its divisors is an integer number (8585239344).

Almost surely, 2^51504212229 is an apocalyptic number.

It is an amenable number.

51504212229 is a deficient number, since it is larger than the sum of its proper divisors (17177702523).

51504212229 is a wasteful number, since it uses less digits than its factorization.

51504212229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407947.

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 51504212229 in words is "fifty-one billion, five hundred four million, two hundred twelve thousand, two hundred twenty-nine".