51295395458 has 16 divisors (see below), whose sum is σ = 77545188000. Its totient is φ = 25447230912.

The previous prime is 51295395449. The next prime is 51295395491. The reversal of 51295395458 is 85459359215.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 393098 + ... + 507066.

It is an arithmetic number, because the mean of its divisors is an integer number (4846574250).

Almost surely, 2^51295395458 is an apocalyptic number.

51295395458 is a deficient number, since it is larger than the sum of its proper divisors (26249792542).

51295395458 is a wasteful number, since it uses less digits than its factorization.

51295395458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115729.

The product of its digits is 9720000, while the sum is 56.

The spelling of 51295395458 in words is "fifty-one billion, two hundred ninety-five million, three hundred ninety-five thousand, four hundred fifty-eight".