54215017 has 4 divisors (see below), whose sum is σ = 55368576. Its totient is φ = 53061460.

The previous prime is 54215011. The next prime is 54215053. The reversal of 54215017 is 71051245.

54215017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54215017 - 2³ = 54215009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54214982 and 54215000.

It is not an unprimeable number, because it can be changed into a prime (54215011) 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 3 ways as a sum of consecutive naturals, for example, 576709 + ... + 576802.

It is an arithmetic number, because the mean of its divisors is an integer number (13842144).

Almost surely, 2^54215017 is an apocalyptic number.

It is an amenable number.

54215017 is a deficient number, since it is larger than the sum of its proper divisors (1153559).

54215017 is a wasteful number, since it uses less digits than its factorization.

54215017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153558.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 54215017 is about 7363.0847475769. The cubic root of 54215017 is about 378.4773254788.

The spelling of 54215017 in words is "fifty-four million, two hundred fifteen thousand, seventeen".