53423017 has 4 divisors (see below), whose sum is σ = 55265220. Its totient is φ = 51580816.

The previous prime is 53423011. The next prime is 53423023. The reversal of 53423017 is 71032435.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71032435 = 5 ⋅14206487.

It is an interprime number because it is at equal distance from previous prime (53423011) and next prime (53423023).

It can be written as a sum of positive squares in 2 ways, for example, as 39740416 + 13682601 = 6304^2 + 3699^2 .

It is a cyclic number.

It is not a de Polignac number, because 53423017 - 2³ = 53423009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53422982 and 53423000.

It is not an unprimeable number, because it can be changed into a prime (53423011) 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, 921058 + ... + 921115.

It is an arithmetic number, because the mean of its divisors is an integer number (13816305).

Almost surely, 2^53423017 is an apocalyptic number.

It is an amenable number.

53423017 is a deficient number, since it is larger than the sum of its proper divisors (1842203).

53423017 is a wasteful number, since it uses less digits than its factorization.

53423017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1842202.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 53423017 is about 7309.1050751785. The cubic root of 53423017 is about 376.6252823025.

The spelling of 53423017 in words is "fifty-three million, four hundred twenty-three thousand, seventeen".