53193947 has 2 divisors, whose sum is σ = 53193948. Its totient is φ = 53193946.

The previous prime is 53193941. The next prime is 53193961. The reversal of 53193947 is 74939135.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53193947 - 2⁶ = 53193883 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53193941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26596973 + 26596974.

It is an arithmetic number, because the mean of its divisors is an integer number (26596974).

Almost surely, 2^53193947 is an apocalyptic number.

53193947 is a deficient number, since it is larger than the sum of its proper divisors (1).

53193947 is an equidigital number, since it uses as much as digits as its factorization.

53193947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102060, while the sum is 41.

The square root of 53193947 is about 7293.4180601416. The cubic root of 53193947 is about 376.0862065616.

The spelling of 53193947 in words is "fifty-three million, one hundred ninety-three thousand, nine hundred forty-seven".