54992688 has 80 divisors (see below), whose sum is σ = 158382720. Its totient is φ = 16339968.

The previous prime is 54992677. The next prime is 54992689. The reversal of 54992688 is 88629945.

54992688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 54992688.

It is not an unprimeable number, because it can be changed into a prime (54992689) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13731 + ... + 17277.

It is an arithmetic number, because the mean of its divisors is an integer number (1979784).

Almost surely, 2^54992688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54992688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79191360).

54992688 is an abundant number, since it is smaller than the sum of its proper divisors (103390032).

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

54992688 is a wasteful number, since it uses less digits than its factorization.

54992688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3594 (or 3588 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 51.

The square root of 54992688 is about 7415.7054957704. The cubic root of 54992688 is about 380.2783924878.

The spelling of 54992688 in words is "fifty-four million, nine hundred ninety-two thousand, six hundred eighty-eight".