53211023 has 4 divisors (see below), whose sum is σ = 53276040. Its totient is φ = 53146008.

The previous prime is 53211013. The next prime is 53211031. The reversal of 53211023 is 32011235.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32011235 = 5 ⋅6402247.

It is a cyclic number.

It is not a de Polignac number, because 53211023 - 2¹⁰ = 53209999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53210992 and 53211010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53211013) 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, 31265 + ... + 32922.

It is an arithmetic number, because the mean of its divisors is an integer number (13319010).

Almost surely, 2^53211023 is an apocalyptic number.

53211023 is a deficient number, since it is larger than the sum of its proper divisors (65017).

53211023 is an equidigital number, since it uses as much as digits as its factorization.

53211023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65016.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 53211023 is about 7294.5886107443. The cubic root of 53211023 is about 376.1264452313.

Adding to 53211023 its reverse (32011235), we get a palindrome (85222258).

The spelling of 53211023 in words is "fifty-three million, two hundred eleven thousand, twenty-three".