55828679 has 2 divisors, whose sum is σ = 55828680. Its totient is φ = 55828678.

The previous prime is 55828673. The next prime is 55828687. The reversal of 55828679 is 97682855.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55828679 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55828673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27914339 + 27914340.

It is an arithmetic number, because the mean of its divisors is an integer number (27914340).

Almost surely, 2^55828679 is an apocalyptic number.

55828679 is a deficient number, since it is larger than the sum of its proper divisors (1).

55828679 is an equidigital number, since it uses as much as digits as its factorization.

55828679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1209600, while the sum is 50.

The square root of 55828679 is about 7471.8591394646. The cubic root of 55828679 is about 382.1956888687.

The spelling of 55828679 in words is "fifty-five million, eight hundred twenty-eight thousand, six hundred seventy-nine".