52454947 has 2 divisors, whose sum is σ = 52454948. Its totient is φ = 52454946.

The previous prime is 52454929. The next prime is 52454951. The reversal of 52454947 is 74945425.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52454947 is a prime.

It is not a weakly prime, because it can be changed into another prime (52454957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26227473 + 26227474.

It is an arithmetic number, because the mean of its divisors is an integer number (26227474).

Almost surely, 2^52454947 is an apocalyptic number.

52454947 is a deficient number, since it is larger than the sum of its proper divisors (1).

52454947 is an equidigital number, since it uses as much as digits as its factorization.

52454947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 40.

The square root of 52454947 is about 7242.5787534552. The cubic root of 52454947 is about 374.3364788129.

The spelling of 52454947 in words is "fifty-two million, four hundred fifty-four thousand, nine hundred forty-seven".