53897563 has 2 divisors, whose sum is σ = 53897564. Its totient is φ = 53897562.

The previous prime is 53897537. The next prime is 53897603. The reversal of 53897563 is 36579835.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53897563 - 2¹⁷ = 53766491 is a prime.

It is not a weakly prime, because it can be changed into another prime (53892563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26948781 + 26948782.

It is an arithmetic number, because the mean of its divisors is an integer number (26948782).

Almost surely, 2^53897563 is an apocalyptic number.

53897563 is a deficient number, since it is larger than the sum of its proper divisors (1).

53897563 is an equidigital number, since it uses as much as digits as its factorization.

53897563 is an odious number, because the sum of its binary digits is odd.

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

The square root of 53897563 is about 7341.4959647200. The cubic root of 53897563 is about 377.7371589899.

The spelling of 53897563 in words is "fifty-three million, eight hundred ninety-seven thousand, five hundred sixty-three".