53023559 has 4 divisors (see below), whose sum is σ = 53319960. Its totient is φ = 52727160.

The previous prime is 53023549. The next prime is 53023573. The reversal of 53023559 is 95532035.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95532035 = 5 ⋅19106407.

It is a cyclic number.

It is not a de Polignac number, because 53023559 - 2²⁰ = 51974983 is a prime.

It is a super-2 number, since 2×53023559² = 5622995618052962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53023549) 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, 147932 + ... + 148289.

It is an arithmetic number, because the mean of its divisors is an integer number (13329990).

Almost surely, 2^53023559 is an apocalyptic number.

53023559 is a deficient number, since it is larger than the sum of its proper divisors (296401).

53023559 is a wasteful number, since it uses less digits than its factorization.

53023559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296400.

The product of its (nonzero) digits is 20250, while the sum is 32.

The square root of 53023559 is about 7281.7277482751. The cubic root of 53023559 is about 375.6842239926.

The spelling of 53023559 in words is "fifty-three million, twenty-three thousand, five hundred fifty-nine".