54515000215 has 8 divisors (see below), whose sum is σ = 70450154208. Its totient is φ = 40257230880.

The previous prime is 54515000207. The next prime is 54515000219. The reversal of 54515000215 is 51200051545.

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

It is not a de Polignac number, because 54515000215 - 2³ = 54515000207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54515000219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419346091 + ... + 419346220.

It is an arithmetic number, because the mean of its divisors is an integer number (8806269276).

Almost surely, 2^54515000215 is an apocalyptic number.

54515000215 is a deficient number, since it is larger than the sum of its proper divisors (15935153993).

54515000215 is a wasteful number, since it uses less digits than its factorization.

54515000215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838692329.

The product of its (nonzero) digits is 5000, while the sum is 28.

The spelling of 54515000215 in words is "fifty-four billion, five hundred fifteen million, two hundred fifteen", and thus it is an aban number.