54899520 has 224 divisors, whose sum is σ = 193560192. Its totient is φ = 13099008.

The previous prime is 54899513. The next prime is 54899521. The reversal of 54899520 is 2599845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54899521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 661399 + ... + 661481.

It is an arithmetic number, because the mean of its divisors is an integer number (864108).

Almost surely, 2^54899520 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 54899520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96780096).

54899520 is an abundant number, since it is smaller than the sum of its proper divisors (138660672).

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

54899520 is a wasteful number, since it uses less digits than its factorization.

54899520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 54899520 is about 7409.4210300131. The cubic root of 54899520 is about 380.0635166218.

The spelling of 54899520 in words is "fifty-four million, eight hundred ninety-nine thousand, five hundred twenty".