5551505 has 4 divisors (see below), whose sum is σ = 6661812. Its totient is φ = 4441200.

The previous prime is 5551501. The next prime is 5551529. The reversal of 5551505 is 5051555.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 693889 + 4857616 = 833^2 + 2204^2 .

It is not a de Polignac number, because 5551505 - 2² = 5551501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5551501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555146 + ... + 555155.

It is an arithmetic number, because the mean of its divisors is an integer number (1665453).

Almost surely, 2^5551505 is an apocalyptic number.

It is an amenable number.

5551505 is a deficient number, since it is larger than the sum of its proper divisors (1110307).

5551505 is a wasteful number, since it uses less digits than its factorization.

5551505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110306.

The product of its (nonzero) digits is 3125, while the sum is 26.

The square root of 5551505 is about 2356.1631946875. The cubic root of 5551505 is about 177.0667074895.

The spelling of 5551505 in words is "five million, five hundred fifty-one thousand, five hundred five".