54997788 has 24 divisors (see below), whose sum is σ = 135877392. Its totient is φ = 17254144.

The previous prime is 54997757. The next prime is 54997793. The reversal of 54997788 is 88779945.

54997788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134595 + ... + 135002.

It is an arithmetic number, because the mean of its divisors is an integer number (5661558).

Almost surely, 2^54997788 is an apocalyptic number.

It is an amenable number.

54997788 is an abundant number, since it is smaller than the sum of its proper divisors (80879604).

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

54997788 is a wasteful number, since it uses less digits than its factorization.

54997788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269621 (or 269619 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 57.

The square root of 54997788 is about 7416.0493525866. The cubic root of 54997788 is about 380.2901477467.

The spelling of 54997788 in words is "fifty-four million, nine hundred ninety-seven thousand, seven hundred eighty-eight".