53609747 has 2 divisors, whose sum is σ = 53609748. Its totient is φ = 53609746.

The previous prime is 53609741. The next prime is 53609761. The reversal of 53609747 is 74790635.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53609747 - 2²⁴ = 36832531 is a prime.

It is not a weakly prime, because it can be changed into another prime (53609741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26804873 + 26804874.

It is an arithmetic number, because the mean of its divisors is an integer number (26804874).

Almost surely, 2^53609747 is an apocalyptic number.

53609747 is a deficient number, since it is larger than the sum of its proper divisors (1).

53609747 is an equidigital number, since it uses as much as digits as its factorization.

53609747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 53609747 is about 7321.8677262021. The cubic root of 53609747 is about 377.0635793958.

The spelling of 53609747 in words is "fifty-three million, six hundred nine thousand, seven hundred forty-seven".