54515285 has 8 divisors (see below), whose sum is σ = 71365536. Its totient is φ = 39647440.

The previous prime is 54515269. The next prime is 54515303. The reversal of 54515285 is 58251545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54515285 - 2⁴ = 54515269 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495539 + ... + 495648.

It is an arithmetic number, because the mean of its divisors is an integer number (8920692).

Almost surely, 2^54515285 is an apocalyptic number.

54515285 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54515285 is a deficient number, since it is larger than the sum of its proper divisors (16850251).

54515285 is a wasteful number, since it uses less digits than its factorization.

54515285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991203.

The product of its digits is 40000, while the sum is 35.

The square root of 54515285 is about 7383.4466883699. The cubic root of 54515285 is about 379.1747673402.

The spelling of 54515285 in words is "fifty-four million, five hundred fifteen thousand, two hundred eighty-five".