51088479907 has 4 divisors (see below), whose sum is σ = 51088932496. Its totient is φ = 51088027320.

The previous prime is 51088479889. The next prime is 51088479913. The reversal of 51088479907 is 70997488015.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 51088479907 - 2⁷ = 51088479779 is a prime.

It is a super-2 number, since 2×51088479907² (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 (51088473907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96682 + ... + 333952.

It is an arithmetic number, because the mean of its divisors is an integer number (12772233124).

Almost surely, 2^51088479907 is an apocalyptic number.

51088479907 is a deficient number, since it is larger than the sum of its proper divisors (452589).

51088479907 is a wasteful number, since it uses less digits than its factorization.

51088479907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452588.

The product of its (nonzero) digits is 5080320, while the sum is 58.

The spelling of 51088479907 in words is "fifty-one billion, eighty-eight million, four hundred seventy-nine thousand, nine hundred seven".