51054554532 has 12 divisors (see below), whose sum is σ = 119127293936. Its totient is φ = 17018184840.

The previous prime is 51054554519. The next prime is 51054554567. The reversal of 51054554532 is 23545545015.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 2127273094 + ... + 2127273117.

Almost surely, 2^51054554532 is an apocalyptic number.

It is an amenable number.

51054554532 is an abundant number, since it is smaller than the sum of its proper divisors (68072739404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51054554532 is a wasteful number, since it uses less digits than its factorization.

51054554532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4254546218 (or 4254546216 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 39.

The spelling of 51054554532 in words is "fifty-one billion, fifty-four million, five hundred fifty-four thousand, five hundred thirty-two".