55011204449 has 2 divisors, whose sum is σ = 55011204450. Its totient is φ = 55011204448.

The previous prime is 55011204427. The next prime is 55011204461. The reversal of 55011204449 is 94440211055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42016800400 + 12994404049 = 204980^2 + 113993^2 .

It is a cyclic number.

It is not a de Polignac number, because 55011204449 - 2²⁴ = 54994427233 is a prime.

It is a super-2 number, since 2×55011204449² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55011204949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27505602224 + 27505602225.

It is an arithmetic number, because the mean of its divisors is an integer number (27505602225).

Almost surely, 2^55011204449 is an apocalyptic number.

It is an amenable number.

55011204449 is a deficient number, since it is larger than the sum of its proper divisors (1).

55011204449 is an equidigital number, since it uses as much as digits as its factorization.

55011204449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 55011204449 in words is "fifty-five billion, eleven million, two hundred four thousand, four hundred forty-nine".