53495947 has 2 divisors, whose sum is σ = 53495948. Its totient is φ = 53495946.

The previous prime is 53495929. The next prime is 53495989. The reversal of 53495947 is 74959435.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53495947 - 2¹¹ = 53493899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53495897 and 53495906.

It is not a weakly prime, because it can be changed into another prime (53495927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26747973 + 26747974.

It is an arithmetic number, because the mean of its divisors is an integer number (26747974).

Almost surely, 2^53495947 is an apocalyptic number.

53495947 is a deficient number, since it is larger than the sum of its proper divisors (1).

53495947 is an equidigital number, since it uses as much as digits as its factorization.

53495947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 680400, while the sum is 46.

The square root of 53495947 is about 7314.0923565402. The cubic root of 53495947 is about 376.7965866949.

The spelling of 53495947 in words is "fifty-three million, four hundred ninety-five thousand, nine hundred forty-seven".