53342987 has 2 divisors, whose sum is σ = 53342988. Its totient is φ = 53342986.

The previous prime is 53342941. The next prime is 53342999. The reversal of 53342987 is 78924335.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53342987 - 2¹⁸ = 53080843 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53342587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26671493 + 26671494.

It is an arithmetic number, because the mean of its divisors is an integer number (26671494).

Almost surely, 2^53342987 is an apocalyptic number.

53342987 is a deficient number, since it is larger than the sum of its proper divisors (1).

53342987 is an equidigital number, since it uses as much as digits as its factorization.

53342987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 41.

The square root of 53342987 is about 7303.6283448708. The cubic root of 53342987 is about 376.4371213026.

The spelling of 53342987 in words is "fifty-three million, three hundred forty-two thousand, nine hundred eighty-seven".