54006015 has 16 divisors (see below), whose sum is σ = 98754048. Its totient is φ = 24688416.

The previous prime is 54005971. The next prime is 54006019. The reversal of 54006015 is 51060045.

It is a happy number.

It is not a de Polignac number, because 54006015 - 2⁶ = 54005951 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 54005982 and 54006000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54006019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257067 + ... + 257276.

It is an arithmetic number, because the mean of its divisors is an integer number (6172128).

Almost surely, 2^54006015 is an apocalyptic number.

54006015 is a deficient number, since it is larger than the sum of its proper divisors (44748033).

54006015 is a wasteful number, since it uses less digits than its factorization.

54006015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514358.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 54006015 is about 7348.8784858644. The cubic root of 54006015 is about 377.9903485680.

The spelling of 54006015 in words is "fifty-four million, six thousand, fifteen".