54855120 has 160 divisors (see below), whose sum is σ = 179702784. Its totient is φ = 13824000.

The previous prime is 54855103. The next prime is 54855121. The reversal of 54855120 is 2155845.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54855121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 543070 + ... + 543170.

Almost surely, 2^54855120 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 54855120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89851392).

54855120 is an abundant number, since it is smaller than the sum of its proper divisors (124847664).

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

54855120 is a wasteful number, since it uses less digits than its factorization.

54855120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 54855120 is about 7406.4242384568. The cubic root of 54855120 is about 379.9610301681.

The spelling of 54855120 in words is "fifty-four million, eight hundred fifty-five thousand, one hundred twenty".