54291330 has 64 divisors (see below), whose sum is σ = 145566720. Its totient is φ = 14398848.

The previous prime is 54291329. The next prime is 54291383. The reversal of 54291330 is 3319245.

54291330 is a `hidden beast` number, since 542 + 91 + 3 + 30 = 666.

54291330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 54291294 and 54291303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62479 + ... + 63341.

It is an arithmetic number, because the mean of its divisors is an integer number (2274480).

Almost surely, 2^54291330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54291330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72783360).

54291330 is an abundant number, since it is smaller than the sum of its proper divisors (91275390).

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

54291330 is a wasteful number, since it uses less digits than its factorization.

54291330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112 (or 1106 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 54291330 is about 7368.2650603789. The cubic root of 54291330 is about 378.6548236490.

The spelling of 54291330 in words is "fifty-four million, two hundred ninety-one thousand, three hundred thirty".