53506823 has 2 divisors, whose sum is σ = 53506824. Its totient is φ = 53506822.

The previous prime is 53506777. The next prime is 53506829. The reversal of 53506823 is 32860535.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53506823 - 2⁸ = 53506567 is a prime.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 53506823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53506829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26753411 + 26753412.

It is an arithmetic number, because the mean of its divisors is an integer number (26753412).

Almost surely, 2^53506823 is an apocalyptic number.

53506823 is a deficient number, since it is larger than the sum of its proper divisors (1).

53506823 is an equidigital number, since it uses as much as digits as its factorization.

53506823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 53506823 is about 7314.8358149722. The cubic root of 53506823 is about 376.8221198565.

The spelling of 53506823 in words is "fifty-three million, five hundred six thousand, eight hundred twenty-three".