55310149 has 2 divisors, whose sum is σ = 55310150. Its totient is φ = 55310148.

The previous prime is 55310131. The next prime is 55310183. The reversal of 55310149 is 94101355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46648900 + 8661249 = 6830^2 + 2943^2 .

It is a cyclic number.

It is not a de Polignac number, because 55310149 - 2⁹ = 55309637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55310249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27655074 + 27655075.

It is an arithmetic number, because the mean of its divisors is an integer number (27655075).

Almost surely, 2^55310149 is an apocalyptic number.

It is an amenable number.

55310149 is a deficient number, since it is larger than the sum of its proper divisors (1).

55310149 is an equidigital number, since it uses as much as digits as its factorization.

55310149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 55310149 is about 7437.0793326413. The cubic root of 55310149 is about 381.0087441131.

The spelling of 55310149 in words is "fifty-five million, three hundred ten thousand, one hundred forty-nine".