55494863 has 2 divisors, whose sum is σ = 55494864. Its totient is φ = 55494862.

The previous prime is 55494823. The next prime is 55494911. The reversal of 55494863 is 36849455.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55494863 - 2⁶ = 55494799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55494823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27747431 + 27747432.

It is an arithmetic number, because the mean of its divisors is an integer number (27747432).

Almost surely, 2^55494863 is an apocalyptic number.

55494863 is a deficient number, since it is larger than the sum of its proper divisors (1).

55494863 is an equidigital number, since it uses as much as digits as its factorization.

55494863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518400, while the sum is 44.

The square root of 55494863 is about 7449.4874320318. The cubic root of 55494863 is about 381.4324122883.

The spelling of 55494863 in words is "fifty-five million, four hundred ninety-four thousand, eight hundred sixty-three".