54981551672 has 16 divisors (see below), whose sum is σ = 103246380600. Its totient is φ = 27449183520.

The previous prime is 54981551633. The next prime is 54981551683. The reversal of 54981551672 is 27615518945.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 5193422 + ... + 5203997.

Almost surely, 2^54981551672 is an apocalyptic number.

It is an amenable number.

54981551672 is a deficient number, since it is larger than the sum of its proper divisors (48264828928).

54981551672 is a wasteful number, since it uses less digits than its factorization.

54981551672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10398086 (or 10398082 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 53.

The spelling of 54981551672 in words is "fifty-four billion, nine hundred eighty-one million, five hundred fifty-one thousand, six hundred seventy-two".