53533979 has 2 divisors, whose sum is σ = 53533980. Its totient is φ = 53533978.

The previous prime is 53533967. The next prime is 53534051. The reversal of 53533979 is 97933535.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53533979 - 2⁸ = 53533723 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53533079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26766989 + 26766990.

It is an arithmetic number, because the mean of its divisors is an integer number (26766990).

Almost surely, 2^53533979 is an apocalyptic number.

53533979 is a deficient number, since it is larger than the sum of its proper divisors (1).

53533979 is an equidigital number, since it uses as much as digits as its factorization.

53533979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 382725, while the sum is 44.

The square root of 53533979 is about 7316.6918070942. The cubic root of 53533979 is about 376.8858578388.

The spelling of 53533979 in words is "fifty-three million, five hundred thirty-three thousand, nine hundred seventy-nine".