55641349 has 2 divisors, whose sum is σ = 55641350. Its totient is φ = 55641348.

The previous prime is 55641331. The next prime is 55641371. The reversal of 55641349 is 94314655.

55641349 is nontrivially palindromic in base 15.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51581124 + 4060225 = 7182^2 + 2015^2 .

It is a cyclic number.

It is not a de Polignac number, because 55641349 - 2¹⁷ = 55510277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55641379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27820674 + 27820675.

It is an arithmetic number, because the mean of its divisors is an integer number (27820675).

Almost surely, 2^55641349 is an apocalyptic number.

It is an amenable number.

55641349 is a deficient number, since it is larger than the sum of its proper divisors (1).

55641349 is an equidigital number, since it uses as much as digits as its factorization.

55641349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 37.

The square root of 55641349 is about 7459.3129040147. The cubic root of 55641349 is about 381.7677311184.

It can be divided in two parts, 556 and 41349, that added together give a triangular number (41905 = T₂₈₉).

The spelling of 55641349 in words is "fifty-five million, six hundred forty-one thousand, three hundred forty-nine".