53213827 has 2 divisors, whose sum is σ = 53213828. Its totient is φ = 53213826.

The previous prime is 53213779. The next prime is 53213857. The reversal of 53213827 is 72831235.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53213827 is a prime.

It is a super-2 number, since 2×53213827² = 5663422767971858, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53213857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26606913 + 26606914.

It is an arithmetic number, because the mean of its divisors is an integer number (26606914).

Almost surely, 2^53213827 is an apocalyptic number.

53213827 is a deficient number, since it is larger than the sum of its proper divisors (1).

53213827 is an equidigital number, since it uses as much as digits as its factorization.

53213827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 31.

The square root of 53213827 is about 7294.7808054800. The cubic root of 53213827 is about 376.1330518826.

The spelling of 53213827 in words is "fifty-three million, two hundred thirteen thousand, eight hundred twenty-seven".