54055520 has 96 divisors (see below), whose sum is σ = 137204928. Its totient is φ = 20072448.

The previous prime is 54055459. The next prime is 54055523. The reversal of 54055520 is 2555045.

It is a self number, because there is not a number n which added to its sum of digits gives 54055520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54055523) 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 15 ways as a sum of consecutive naturals, for example, 135962 + ... + 136358.

It is an arithmetic number, because the mean of its divisors is an integer number (1429218).

Almost surely, 2^54055520 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 54055520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68602464).

54055520 is an abundant number, since it is smaller than the sum of its proper divisors (83149408).

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

54055520 is a wasteful number, since it uses less digits than its factorization.

54055520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 26.

The square root of 54055520 is about 7352.2459153649. The cubic root of 54055520 is about 378.1058091483.

The spelling of 54055520 in words is "fifty-four million, fifty-five thousand, five hundred twenty".