51000046455 has 32 divisors (see below), whose sum is σ = 82538129088. Its totient is φ = 26888192000.

The previous prime is 51000046351. The next prime is 51000046477. The reversal of 51000046455 is 55464000015.

It is not a de Polignac number, because 51000046455 - 2¹³ = 51000038263 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 944857 + ... + 997373.

It is an arithmetic number, because the mean of its divisors is an integer number (2579316534).

Almost surely, 2^51000046455 is an apocalyptic number.

51000046455 is a deficient number, since it is larger than the sum of its proper divisors (31538082633).

51000046455 is a wasteful number, since it uses less digits than its factorization.

51000046455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53267.

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 51000046455 in words is "fifty-one billion, forty-six thousand, four hundred fifty-five".