54091830 has 96 divisors (see below), whose sum is σ = 144198144. Its totient is φ = 12974208.

The previous prime is 54091823. The next prime is 54091867. The reversal of 54091830 is 3819045.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 238177 + ... + 238403.

It is an arithmetic number, because the mean of its divisors is an integer number (1502064).

Almost surely, 2^54091830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54091830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72099072).

54091830 is an abundant number, since it is smaller than the sum of its proper divisors (90106314).

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

54091830 is a wasteful number, since it uses less digits than its factorization.

54091830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 54091830 is about 7354.7148143215. The cubic root of 54091830 is about 378.1904502054.

The spelling of 54091830 in words is "fifty-four million, ninety-one thousand, eight hundred thirty".