51450415207 has 8 divisors (see below), whose sum is σ = 51784769232. Its totient is φ = 51116145600.

The previous prime is 51450415201. The next prime is 51450415223. The reversal of 51450415207 is 70251405415.

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-51450415207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51450415201) 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, 1606107 + ... + 1637827.

It is an arithmetic number, because the mean of its divisors is an integer number (6473096154).

Almost surely, 2^51450415207 is an apocalyptic number.

51450415207 is a deficient number, since it is larger than the sum of its proper divisors (334354025).

51450415207 is a wasteful number, since it uses less digits than its factorization.

51450415207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42209.

The product of its (nonzero) digits is 28000, while the sum is 34.

The spelling of 51450415207 in words is "fifty-one billion, four hundred fifty million, four hundred fifteen thousand, two hundred seven".