54285515 has 16 divisors (see below), whose sum is σ = 66935808. Its totient is φ = 42247296.

The previous prime is 54285499. The next prime is 54285529. The reversal of 54285515 is 51558245.

It is a cyclic number.

It is not a de Polignac number, because 54285515 - 2⁴ = 54285499 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32849 + ... + 34461.

It is an arithmetic number, because the mean of its divisors is an integer number (4183488).

Almost surely, 2^54285515 is an apocalyptic number.

54285515 is a deficient number, since it is larger than the sum of its proper divisors (12650293).

54285515 is a wasteful number, since it uses less digits than its factorization.

54285515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798.

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

The square root of 54285515 is about 7367.8704521727. The cubic root of 54285515 is about 378.6413042626.

The spelling of 54285515 in words is "fifty-four million, two hundred eighty-five thousand, five hundred fifteen".