54091328 has 28 divisors (see below), whose sum is σ = 112989360. Its totient is φ = 25621632.

The previous prime is 54091319. The next prime is 54091337. The reversal of 54091328 is 82319045.

It is an interprime number because it is at equal distance from previous prime (54091319) and next prime (54091337).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 54091294 and 54091303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21026 + ... + 23457.

Almost surely, 2^54091328 is an apocalyptic number.

It is an amenable number.

54091328 is an abundant number, since it is smaller than the sum of its proper divisors (58898032).

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

54091328 is a wasteful number, since it uses less digits than its factorization.

54091328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44514 (or 44504 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 54091328 is about 7354.6806864744. The cubic root of 54091328 is about 378.1892802679.

The spelling of 54091328 in words is "fifty-four million, ninety-one thousand, three hundred twenty-eight".