53358623 has 4 divisors (see below), whose sum is σ = 53748240. Its totient is φ = 52969008.

The previous prime is 53358611. The next prime is 53358629. The reversal of 53358623 is 32685335.

53358623 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 an emirpimes, since its reverse is a distinct semiprime: 32685335 = 5 ⋅6537067.

It is a cyclic number.

It is not a de Polignac number, because 53358623 - 2⁴ = 53358607 is a prime.

It is a super-2 number, since 2×53358623² = 5694285296912258, 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 (53358629) 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, 194603 + ... + 194876.

It is an arithmetic number, because the mean of its divisors is an integer number (13437060).

Almost surely, 2^53358623 is an apocalyptic number.

53358623 is a deficient number, since it is larger than the sum of its proper divisors (389617).

53358623 is a wasteful number, since it uses less digits than its factorization.

53358623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389616.

The product of its digits is 64800, while the sum is 35.

The square root of 53358623 is about 7304.6986933069. The cubic root of 53358623 is about 376.4738983696.

The spelling of 53358623 in words is "fifty-three million, three hundred fifty-eight thousand, six hundred twenty-three".