55474823 has 2 divisors, whose sum is σ = 55474824. Its totient is φ = 55474822.

The previous prime is 55474819. The next prime is 55474829. The reversal of 55474823 is 32847455.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55474823 - 2² = 55474819 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55474829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27737411 + 27737412.

It is an arithmetic number, because the mean of its divisors is an integer number (27737412).

Almost surely, 2^55474823 is an apocalyptic number.

55474823 is a deficient number, since it is larger than the sum of its proper divisors (1).

55474823 is an equidigital number, since it uses as much as digits as its factorization.

55474823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 134400, while the sum is 38.

The square root of 55474823 is about 7448.1422515954. The cubic root of 55474823 is about 381.3864931683.

The spelling of 55474823 in words is "fifty-five million, four hundred seventy-four thousand, eight hundred twenty-three".