55039079 has 2 divisors, whose sum is σ = 55039080. Its totient is φ = 55039078.

The previous prime is 55039073. The next prime is 55039087. The reversal of 55039079 is 97093055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55039079 - 2¹² = 55034983 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 (55039073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27519539 + 27519540.

It is an arithmetic number, because the mean of its divisors is an integer number (27519540).

Almost surely, 2^55039079 is an apocalyptic number.

55039079 is a deficient number, since it is larger than the sum of its proper divisors (1).

55039079 is an equidigital number, since it uses as much as digits as its factorization.

55039079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42525, while the sum is 38.

The square root of 55039079 is about 7418.8327248968. The cubic root of 55039079 is about 380.3852948002.

The spelling of 55039079 in words is "fifty-five million, thirty-nine thousand, seventy-nine".