53216923 has 2 divisors, whose sum is σ = 53216924. Its totient is φ = 53216922.

The previous prime is 53216903. The next prime is 53216941. The reversal of 53216923 is 32961235.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53216923 - 2²¹ = 51119771 is a prime.

It is not a weakly prime, because it can be changed into another prime (53216903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26608461 + 26608462.

It is an arithmetic number, because the mean of its divisors is an integer number (26608462).

Almost surely, 2^53216923 is an apocalyptic number.

53216923 is a deficient number, since it is larger than the sum of its proper divisors (1).

53216923 is an equidigital number, since it uses as much as digits as its factorization.

53216923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 31.

The square root of 53216923 is about 7294.9930089069. The cubic root of 53216923 is about 376.1403462609.

The spelling of 53216923 in words is "fifty-three million, two hundred sixteen thousand, nine hundred twenty-three".