54091800 has 336 divisors, whose sum is σ = 219561840. Its totient is φ = 12130560.

The previous prime is 54091781. The next prime is 54091819. The reversal of 54091800 is 819045.

It is an interprime number because it is at equal distance from previous prime (54091781) and next prime (54091819).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 1020574 + ... + 1020626.

Almost surely, 2^54091800 is an apocalyptic number.

54091800 is a gapful number since it is divisible by the number (50) 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 54091800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109780920).

54091800 is an abundant number, since it is smaller than the sum of its proper divisors (165470040).

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

54091800 is a wasteful number, since it uses less digits than its factorization.

54091800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 54091800 is about 7354.7127748132. The cubic root of 54091800 is about 378.1903802890.

The spelling of 54091800 in words is "fifty-four million, ninety-one thousand, eight hundred".