54993428 has 24 divisors (see below), whose sum is σ = 111854400. Its totient is φ = 23168448.

The previous prime is 54993427. The next prime is 54993439. The reversal of 54993428 is 82439945.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54993427) 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, 14993 + ... + 18296.

It is an arithmetic number, because the mean of its divisors is an integer number (4660600).

Almost surely, 2^54993428 is an apocalyptic number.

It is an amenable number.

54993428 is an abundant number, since it is smaller than the sum of its proper divisors (56860972).

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

54993428 is a wasteful number, since it uses less digits than its factorization.

54993428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33359 (or 33357 counting only the distinct ones).

The product of its digits is 311040, while the sum is 44.

The square root of 54993428 is about 7415.7553897091. The cubic root of 54993428 is about 380.2800981979.

The spelling of 54993428 in words is "fifty-four million, nine hundred ninety-three thousand, four hundred twenty-eight".