54655920 has 240 divisors, whose sum is σ = 205201152. Its totient is φ = 12925440.

The previous prime is 54655907. The next prime is 54655949. The reversal of 54655920 is 2955645.

54655920 is a `hidden beast` number, since 5 + 4 + 65 + 592 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 530589 + ... + 530691.

Almost surely, 2^54655920 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 54655920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102600576).

54655920 is an abundant number, since it is smaller than the sum of its proper divisors (150545232).

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

54655920 is a wasteful number, since it uses less digits than its factorization.

54655920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 54655920 is about 7392.9642228270. The cubic root of 54655920 is about 379.5005441935.

The spelling of 54655920 in words is "fifty-four million, six hundred fifty-five thousand, nine hundred twenty".