54856620 has 288 divisors, whose sum is σ = 217945728. Its totient is φ = 10838016.

The previous prime is 54856601. The next prime is 54856621. The reversal of 54856620 is 2665845.

54856620 is a `hidden beast` number, since 548 + 56 + 62 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (54856621) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 278362 + ... + 278558.

It is an arithmetic number, because the mean of its divisors is an integer number (756756).

Almost surely, 2^54856620 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 54856620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108972864).

54856620 is an abundant number, since it is smaller than the sum of its proper divisors (163089108).

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

54856620 is a wasteful number, since it uses less digits than its factorization.

54856620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 54856620 is about 7406.5255012050. The cubic root of 54856620 is about 379.9644934507.

The spelling of 54856620 in words is "fifty-four million, eight hundred fifty-six thousand, six hundred twenty".