54885630 has 64 divisors (see below), whose sum is σ = 136147968. Its totient is φ = 14152320.

The previous prime is 54885629. The next prime is 54885637. The reversal of 54885630 is 3658845.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54885637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202395 + ... + 202665.

It is an arithmetic number, because the mean of its divisors is an integer number (2127312).

Almost surely, 2^54885630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54885630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68073984).

54885630 is an abundant number, since it is smaller than the sum of its proper divisors (81262338).

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

54885630 is a wasteful number, since it uses less digits than its factorization.

54885630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 54885630 is about 7408.4836505185. The cubic root of 54885630 is about 380.0314609225.

The spelling of 54885630 in words is "fifty-four million, eight hundred eighty-five thousand, six hundred thirty".