54981551504 has 40 divisors (see below), whose sum is σ = 123046954848. Its totient is φ = 23521518080.

The previous prime is 54981551503. The next prime is 54981551509. The reversal of 54981551504 is 40515518945.

54981551504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (54981551503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9185102 + ... + 9191085.

Almost surely, 2^54981551504 is an apocalyptic number.

It is an amenable number.

54981551504 is an abundant number, since it is smaller than the sum of its proper divisors (68065403344).

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

54981551504 is a wasteful number, since it uses less digits than its factorization.

54981551504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18376223 (or 18376217 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 47.

The spelling of 54981551504 in words is "fifty-four billion, nine hundred eighty-one million, five hundred fifty-one thousand, five hundred four".