54020217 has 4 divisors (see below), whose sum is σ = 72026960. Its totient is φ = 36013476.

The previous prime is 54020179. The next prime is 54020221. The reversal of 54020217 is 71202045.

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 not a de Polignac number, because 54020217 - 2¹⁵ = 53987449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54020193 and 54020202.

It is not an unprimeable number, because it can be changed into a prime (54020257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9003367 + ... + 9003372.

It is an arithmetic number, because the mean of its divisors is an integer number (18006740).

Almost surely, 2^54020217 is an apocalyptic number.

It is an amenable number.

54020217 is a deficient number, since it is larger than the sum of its proper divisors (18006743).

54020217 is a wasteful number, since it uses less digits than its factorization.

54020217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18006742.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 54020217 is about 7349.8446922367. The cubic root of 54020217 is about 378.0234791272.

The spelling of 54020217 in words is "fifty-four million, twenty thousand, two hundred seventeen".