54391008 has 96 divisors (see below), whose sum is σ = 168860160. Its totient is φ = 14999040.

The previous prime is 54391003. The next prime is 54391031. The reversal of 54391008 is 80019345.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54391003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18093 + ... + 20883.

It is an arithmetic number, because the mean of its divisors is an integer number (1758960).

Almost surely, 2^54391008 is an apocalyptic number.

54391008 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54391008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84430080).

54391008 is an abundant number, since it is smaller than the sum of its proper divisors (114469152).

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

54391008 is a wasteful number, since it uses less digits than its factorization.

54391008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2840 (or 2832 counting only the distinct ones).

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

The square root of 54391008 is about 7375.0259660560. The cubic root of 54391008 is about 378.8864166750.

The spelling of 54391008 in words is "fifty-four million, three hundred ninety-one thousand, eight".