51455164406 has 16 divisors (see below), whose sum is σ = 79853364000. Its totient is φ = 24837579648.

The previous prime is 51455164367. The next prime is 51455164441. The reversal of 51455164406 is 60446155415.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513671 + ... + 605613.

It is an arithmetic number, because the mean of its divisors is an integer number (4990835250).

Almost surely, 2^51455164406 is an apocalyptic number.

51455164406 is a deficient number, since it is larger than the sum of its proper divisors (28398199594).

51455164406 is a wasteful number, since it uses less digits than its factorization.

51455164406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101623.

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 51455164406 in words is "fifty-one billion, four hundred fifty-five million, one hundred sixty-four thousand, four hundred six".