53554663 has 2 divisors, whose sum is σ = 53554664. Its totient is φ = 53554662.

The previous prime is 53554609. The next prime is 53554687. The reversal of 53554663 is 36645535.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53554663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53554363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26777331 + 26777332.

It is an arithmetic number, because the mean of its divisors is an integer number (26777332).

Almost surely, 2^53554663 is an apocalyptic number.

53554663 is a deficient number, since it is larger than the sum of its proper divisors (1).

53554663 is an equidigital number, since it uses as much as digits as its factorization.

53554663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162000, while the sum is 37.

The square root of 53554663 is about 7318.1051509253. The cubic root of 53554663 is about 376.9343908980.

The spelling of 53554663 in words is "fifty-three million, five hundred fifty-four thousand, six hundred sixty-three".