54021415 has 16 divisors (see below), whose sum is σ = 75133440. Its totient is φ = 36519840.

The previous prime is 54021397. The next prime is 54021419. The reversal of 54021415 is 51412045.

54021415 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54021415 - 2¹⁹ = 53497127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54021419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8385 + ... + 13354.

It is an arithmetic number, because the mean of its divisors is an integer number (4695840).

Almost surely, 2^54021415 is an apocalyptic number.

54021415 is a deficient number, since it is larger than the sum of its proper divisors (21112025).

54021415 is a wasteful number, since it uses less digits than its factorization.

54021415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21822.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 54021415 is about 7349.9261901056. The cubic root of 54021415 is about 378.0262735673.

The spelling of 54021415 in words is "fifty-four million, twenty-one thousand, four hundred fifteen".