53746247 has 2 divisors, whose sum is σ = 53746248. Its totient is φ = 53746246.

The previous prime is 53746229. The next prime is 53746279. The reversal of 53746247 is 74264735.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53746247 - 2¹⁸ = 53484103 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 53746247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53746547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26873123 + 26873124.

It is an arithmetic number, because the mean of its divisors is an integer number (26873124).

Almost surely, 2^53746247 is an apocalyptic number.

53746247 is a deficient number, since it is larger than the sum of its proper divisors (1).

53746247 is an equidigital number, since it uses as much as digits as its factorization.

53746247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 38.

The square root of 53746247 is about 7331.1831923640. The cubic root of 53746247 is about 377.3833319279.

The spelling of 53746247 in words is "fifty-three million, seven hundred forty-six thousand, two hundred forty-seven".