55348949 has 2 divisors, whose sum is σ = 55348950. Its totient is φ = 55348948.

The previous prime is 55348927. The next prime is 55348961. The reversal of 55348949 is 94984355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32376100 + 22972849 = 5690^2 + 4793^2 .

It is a cyclic number.

It is not a de Polignac number, because 55348949 - 2²⁰ = 54300373 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 (55348999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27674474 + 27674475.

It is an arithmetic number, because the mean of its divisors is an integer number (27674475).

Almost surely, 2^55348949 is an apocalyptic number.

It is an amenable number.

55348949 is a deficient number, since it is larger than the sum of its proper divisors (1).

55348949 is an equidigital number, since it uses as much as digits as its factorization.

55348949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 777600, while the sum is 47.

The square root of 55348949 is about 7439.6874262297. The cubic root of 55348949 is about 381.0978156735.

The spelling of 55348949 in words is "fifty-five million, three hundred forty-eight thousand, nine hundred forty-nine".