51930453458 has 16 divisors (see below), whose sum is σ = 86593710336. Its totient is φ = 23194743120.

The previous prime is 51930453371. The next prime is 51930453479. The reversal of 51930453458 is 85435403915.

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, 32214116 + ... + 32215727.

It is an arithmetic number, because the mean of its divisors is an integer number (5412106896).

Almost surely, 2^51930453458 is an apocalyptic number.

51930453458 is a deficient number, since it is larger than the sum of its proper divisors (34663256878).

51930453458 is a wasteful number, since it uses less digits than its factorization.

51930453458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64429889.

The product of its (nonzero) digits is 1296000, while the sum is 47.

The spelling of 51930453458 in words is "fifty-one billion, nine hundred thirty million, four hundred fifty-three thousand, four hundred fifty-eight".