54455520 has 192 divisors, whose sum is σ = 206599680. Its totient is φ = 11778048.

The previous prime is 54455507. The next prime is 54455543. The reversal of 54455520 is 2555445.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63414 + ... + 64266.

It is an arithmetic number, because the mean of its divisors is an integer number (1076040).

Almost surely, 2^54455520 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 54455520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103299840).

54455520 is an abundant number, since it is smaller than the sum of its proper divisors (152144160).

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

54455520 is a wasteful number, since it uses less digits than its factorization.

54455520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897 (or 889 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 54455520 is about 7379.3983494591. The cubic root of 54455520 is about 379.0361538228.

The spelling of 54455520 in words is "fifty-four million, four hundred fifty-five thousand, five hundred twenty".