53216959 has 2 divisors, whose sum is σ = 53216960. Its totient is φ = 53216958.

The previous prime is 53216951. The next prime is 53216971. The reversal of 53216959 is 95961235.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53216959 - 2³ = 53216951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53216951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26608479 + 26608480.

It is an arithmetic number, because the mean of its divisors is an integer number (26608480).

Almost surely, 2^53216959 is an apocalyptic number.

53216959 is a deficient number, since it is larger than the sum of its proper divisors (1).

53216959 is an equidigital number, since it uses as much as digits as its factorization.

53216959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72900, while the sum is 40.

The square root of 53216959 is about 7294.9954763523. The cubic root of 53216959 is about 376.1404310776.

The spelling of 53216959 in words is "fifty-three million, two hundred sixteen thousand, nine hundred fifty-nine".