5511749 has 2 divisors, whose sum is σ = 5511750. Its totient is φ = 5511748.

The previous prime is 5511739. The next prime is 5511761. The reversal of 5511749 is 9471155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4622500 + 889249 = 2150^2 + 943^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5511749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5511739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2755874 + 2755875.

It is an arithmetic number, because the mean of its divisors is an integer number (2755875).

Almost surely, 2^5511749 is an apocalyptic number.

It is an amenable number.

5511749 is a deficient number, since it is larger than the sum of its proper divisors (1).

5511749 is an equidigital number, since it uses as much as digits as its factorization.

5511749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6300, while the sum is 32.

The square root of 5511749 is about 2347.7114388272. The cubic root of 5511749 is about 176.6430184715.

The spelling of 5511749 in words is "five million, five hundred eleven thousand, seven hundred forty-nine".