55079923 has 2 divisors, whose sum is σ = 55079924. Its totient is φ = 55079922.

The previous prime is 55079837. The next prime is 55079951. The reversal of 55079923 is 32997055.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55079923 is a prime.

It is not a weakly prime, because it can be changed into another prime (55079953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27539961 + 27539962.

It is an arithmetic number, because the mean of its divisors is an integer number (27539962).

Almost surely, 2^55079923 is an apocalyptic number.

55079923 is a deficient number, since it is larger than the sum of its proper divisors (1).

55079923 is an equidigital number, since it uses as much as digits as its factorization.

55079923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 85050, while the sum is 40.

The square root of 55079923 is about 7421.5849385424. The cubic root of 55079923 is about 380.4793650238.

The spelling of 55079923 in words is "fifty-five million, seventy-nine thousand, nine hundred twenty-three".