53654971 has 2 divisors, whose sum is σ = 53654972. Its totient is φ = 53654970.

The previous prime is 53654969. The next prime is 53654987. The reversal of 53654971 is 17945635.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53654971 - 2¹ = 53654969 is a prime.

Together with 53654969, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (53654171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26827485 + 26827486.

It is an arithmetic number, because the mean of its divisors is an integer number (26827486).

Almost surely, 2^53654971 is an apocalyptic number.

53654971 is a deficient number, since it is larger than the sum of its proper divisors (1).

53654971 is an equidigital number, since it uses as much as digits as its factorization.

53654971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 40.

The square root of 53654971 is about 7324.9553582257. The cubic root of 53654971 is about 377.1695771017.

The spelling of 53654971 in words is "fifty-three million, six hundred fifty-four thousand, nine hundred seventy-one".