55549367 has 2 divisors, whose sum is σ = 55549368. Its totient is φ = 55549366.

The previous prime is 55549363. The next prime is 55549379. The reversal of 55549367 is 76394555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55549367 - 2² = 55549363 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 (55549363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27774683 + 27774684.

It is an arithmetic number, because the mean of its divisors is an integer number (27774684).

Almost surely, 2^55549367 is an apocalyptic number.

55549367 is a deficient number, since it is larger than the sum of its proper divisors (1).

55549367 is an equidigital number, since it uses as much as digits as its factorization.

55549367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 567000, while the sum is 44.

The square root of 55549367 is about 7453.1447725105. The cubic root of 55549367 is about 381.5572454030.

The spelling of 55549367 in words is "fifty-five million, five hundred forty-nine thousand, three hundred sixty-seven".