54133387 has 24 divisors (see below), whose sum is σ = 69768000. Its totient is φ = 41524560.

The previous prime is 54133379. The next prime is 54133393. The reversal of 54133387 is 78333145.

It is not a de Polignac number, because 54133387 - 2³ = 54133379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54133327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35364 + ... + 36862.

It is an arithmetic number, because the mean of its divisors is an integer number (2907000).

Almost surely, 2^54133387 is an apocalyptic number.

54133387 is a deficient number, since it is larger than the sum of its proper divisors (15634613).

54133387 is a wasteful number, since it uses less digits than its factorization.

54133387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1591 (or 1584 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 54133387 is about 7357.5394664249. The cubic root of 54133387 is about 378.2872759025.

The spelling of 54133387 in words is "fifty-four million, one hundred thirty-three thousand, three hundred eighty-seven".