53435387 has 2 divisors, whose sum is σ = 53435388. Its totient is φ = 53435386.

The previous prime is 53435383. The next prime is 53435401. The reversal of 53435387 is 78353435.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53435387 - 2² = 53435383 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53435387.

It is not a weakly prime, because it can be changed into another prime (53435383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26717693 + 26717694.

It is an arithmetic number, because the mean of its divisors is an integer number (26717694).

Almost surely, 2^53435387 is an apocalyptic number.

53435387 is a deficient number, since it is larger than the sum of its proper divisors (1).

53435387 is an equidigital number, since it uses as much as digits as its factorization.

53435387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 38.

The square root of 53435387 is about 7309.9512310275. The cubic root of 53435387 is about 376.6543490198.

The spelling of 53435387 in words is "fifty-three million, four hundred thirty-five thousand, three hundred eighty-seven".