55827727 has 2 divisors, whose sum is σ = 55827728. Its totient is φ = 55827726.

The previous prime is 55827713. The next prime is 55827743. The reversal of 55827727 is 72772855.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55827727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55827227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27913863 + 27913864.

It is an arithmetic number, because the mean of its divisors is an integer number (27913864).

Almost surely, 2^55827727 is an apocalyptic number.

55827727 is a deficient number, since it is larger than the sum of its proper divisors (1).

55827727 is an equidigital number, since it uses as much as digits as its factorization.

55827727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 274400, while the sum is 43.

The square root of 55827727 is about 7471.7954334952. The cubic root of 55827727 is about 382.1935164347.

The spelling of 55827727 in words is "fifty-five million, eight hundred twenty-seven thousand, seven hundred twenty-seven".