54420517 has 4 divisors (see below), whose sum is σ = 54959436. Its totient is φ = 53881600.

The previous prime is 54420511. The next prime is 54420523. The reversal of 54420517 is 71502445.

54420517 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.

It is an interprime number because it is at equal distance from previous prime (54420511) and next prime (54420523).

It can be written as a sum of positive squares in 2 ways, for example, as 50680161 + 3740356 = 7119^2 + 1934^2 .

It is a cyclic number.

It is not a de Polignac number, because 54420517 - 2¹⁹ = 53896229 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 (54420511) 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, 269308 + ... + 269509.

It is an arithmetic number, because the mean of its divisors is an integer number (13739859).

Almost surely, 2^54420517 is an apocalyptic number.

It is an amenable number.

54420517 is a deficient number, since it is larger than the sum of its proper divisors (538919).

54420517 is a wasteful number, since it uses less digits than its factorization.

54420517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538918.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 54420517 is about 7377.0262979062. The cubic root of 54420517 is about 378.9549239420.

The spelling of 54420517 in words is "fifty-four million, four hundred twenty thousand, five hundred seventeen".