55262749 has 2 divisors, whose sum is σ = 55262750. Its totient is φ = 55262748.

The previous prime is 55262747. The next prime is 55262771. The reversal of 55262749 is 94726255.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51222649 + 4040100 = 7157^2 + 2010^2 .

It is a cyclic number.

It is not a de Polignac number, because 55262749 - 2¹ = 55262747 is a prime.

Together with 55262747, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55262747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27631374 + 27631375.

It is an arithmetic number, because the mean of its divisors is an integer number (27631375).

Almost surely, 2^55262749 is an apocalyptic number.

It is an amenable number.

55262749 is a deficient number, since it is larger than the sum of its proper divisors (1).

55262749 is an equidigital number, since it uses as much as digits as its factorization.

55262749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 40.

The square root of 55262749 is about 7433.8919147375. The cubic root of 55262749 is about 380.8998733407.

The spelling of 55262749 in words is "fifty-five million, two hundred sixty-two thousand, seven hundred forty-nine".