55578683 has 2 divisors, whose sum is σ = 55578684. Its totient is φ = 55578682.

The previous prime is 55578673. The next prime is 55578701. The reversal of 55578683 is 38687555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55578683 - 2⁶ = 55578619 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55578613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27789341 + 27789342.

It is an arithmetic number, because the mean of its divisors is an integer number (27789342).

Almost surely, 2^55578683 is an apocalyptic number.

55578683 is a deficient number, since it is larger than the sum of its proper divisors (1).

55578683 is an equidigital number, since it uses as much as digits as its factorization.

55578683 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008000, while the sum is 47.

The square root of 55578683 is about 7455.1111997072. Note that the first 4 decimals coincide. The cubic root of 55578683 is about 381.6243554688.

The spelling of 55578683 in words is "fifty-five million, five hundred seventy-eight thousand, six hundred eighty-three".