55047049 has 2 divisors, whose sum is σ = 55047050. Its totient is φ = 55047048.

The previous prime is 55047023. The next prime is 55047067. The reversal of 55047049 is 94074055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54125449 + 921600 = 7357^2 + 960^2 .

It is a cyclic number.

It is not a de Polignac number, because 55047049 - 2⁷ = 55046921 is a prime.

It is not a weakly prime, because it can be changed into another prime (55047079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27523524 + 27523525.

It is an arithmetic number, because the mean of its divisors is an integer number (27523525).

Almost surely, 2^55047049 is an apocalyptic number.

It is an amenable number.

55047049 is a deficient number, since it is larger than the sum of its proper divisors (1).

55047049 is an equidigital number, since it uses as much as digits as its factorization.

55047049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 55047049 is about 7419.3698519483. The cubic root of 55047049 is about 380.4036546306.

The spelling of 55047049 in words is "fifty-five million, forty-seven thousand, forty-nine".