54018405 has 48 divisors (see below), whose sum is σ = 107627520. Its totient is φ = 24551424.

The previous prime is 54018397. The next prime is 54018413. The reversal of 54018405 is 50481045.

It is an interprime number because it is at equal distance from previous prime (54018397) and next prime (54018413).

It is not a de Polignac number, because 54018405 - 2³ = 54018397 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 69861 + ... + 70629.

It is an arithmetic number, because the mean of its divisors is an integer number (2242240).

Almost surely, 2^54018405 is an apocalyptic number.

It is an amenable number.

54018405 is a deficient number, since it is larger than the sum of its proper divisors (53609115).

54018405 is a wasteful number, since it uses less digits than its factorization.

54018405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010 (or 1007 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 54018405 is about 7349.7214232922. The cubic root of 54018405 is about 378.0192523998.

The spelling of 54018405 in words is "fifty-four million, eighteen thousand, four hundred five".