55255349 has 2 divisors, whose sum is σ = 55255350. Its totient is φ = 55255348.

The previous prime is 55255307. The next prime is 55255357. The reversal of 55255349 is 94355255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47018449 + 8236900 = 6857^2 + 2870^2 .

It is a cyclic number.

It is not a de Polignac number, because 55255349 - 2¹² = 55251253 is a prime.

It is a super-2 number, since 2×55255349² = 6106307186223602, which contains 22 as substring.

It is a Chen prime.

It is equal to p_3296567 and since 55255349 and 3296567 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55255399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27627674 + 27627675.

It is an arithmetic number, because the mean of its divisors is an integer number (27627675).

Almost surely, 2^55255349 is an apocalyptic number.

It is an amenable number.

55255349 is a deficient number, since it is larger than the sum of its proper divisors (1).

55255349 is an equidigital number, since it uses as much as digits as its factorization.

55255349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 135000, while the sum is 38.

The square root of 55255349 is about 7433.3941776284. The cubic root of 55255349 is about 380.8828710204.

The spelling of 55255349 in words is "fifty-five million, two hundred fifty-five thousand, three hundred forty-nine".