55896563 has 2 divisors, whose sum is σ = 55896564. Its totient is φ = 55896562.

The previous prime is 55896523. The next prime is 55896569. The reversal of 55896563 is 36569855.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55896563 - 2²⁰ = 54847987 is a prime.

It is not a weakly prime, because it can be changed into another prime (55896569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27948281 + 27948282.

It is an arithmetic number, because the mean of its divisors is an integer number (27948282).

Almost surely, 2^55896563 is an apocalyptic number.

55896563 is a deficient number, since it is larger than the sum of its proper divisors (1).

55896563 is an equidigital number, since it uses as much as digits as its factorization.

55896563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972000, while the sum is 47.

The square root of 55896563 is about 7476.4004039377. The cubic root of 55896563 is about 382.3505343944.

The spelling of 55896563 in words is "fifty-five million, eight hundred ninety-six thousand, five hundred sixty-three".