53207747 has 2 divisors, whose sum is σ = 53207748. Its totient is φ = 53207746.

The previous prime is 53207743. The next prime is 53207753. The reversal of 53207747 is 74770235.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53207747 - 2² = 53207743 is a prime.

It is not a weakly prime, because it can be changed into another prime (53207743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26603873 + 26603874.

It is an arithmetic number, because the mean of its divisors is an integer number (26603874).

Almost surely, 2^53207747 is an apocalyptic number.

53207747 is a deficient number, since it is larger than the sum of its proper divisors (1).

53207747 is an equidigital number, since it uses as much as digits as its factorization.

53207747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41160, while the sum is 35.

The square root of 53207747 is about 7294.3640572705. The cubic root of 53207747 is about 376.1187261821.

The spelling of 53207747 in words is "fifty-three million, two hundred seven thousand, seven hundred forty-seven".