55654920 has 96 divisors (see below), whose sum is σ = 186750720. Its totient is φ = 14359680.

The previous prime is 55654913. The next prime is 55654931. The reversal of 55654920 is 2945655.

55654920 is a `hidden beast` number, since 5 + 565 + 4 + 92 + 0 = 666.

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 23 ways as a sum of consecutive naturals, for example, 8667 + ... + 13653.

It is an arithmetic number, because the mean of its divisors is an integer number (1945320).

Almost surely, 2^55654920 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 55654920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93375360).

55654920 is an abundant number, since it is smaller than the sum of its proper divisors (131095800).

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

55654920 is a wasteful number, since it uses less digits than its factorization.

55654920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5035 (or 5028 counting only the distinct ones).

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

The square root of 55654920 is about 7460.2225167886. Note that the first 3 decimals coincide. The cubic root of 55654920 is about 381.7987664834.

The spelling of 55654920 in words is "fifty-five million, six hundred fifty-four thousand, nine hundred twenty".