5551522 has 4 divisors (see below), whose sum is σ = 8327286. Its totient is φ = 2775760.

The previous prime is 5551501. The next prime is 5551529. The reversal of 5551522 is 2251555.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2251555 = 5 ⋅450311.

It can be written as a sum of positive squares in only one way, i.e., 3884841 + 1666681 = 1971^2 + 1291^2 .

It is not an unprimeable number, because it can be changed into a prime (5551529) 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 as a sum of consecutive naturals, namely, 1387879 + ... + 1387882.

Almost surely, 2^5551522 is an apocalyptic number.

5551522 is a deficient number, since it is larger than the sum of its proper divisors (2775764).

5551522 is a wasteful number, since it uses less digits than its factorization.

5551522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2775763.

The product of its digits is 2500, while the sum is 25.

The square root of 5551522 is about 2356.1668022447. The cubic root of 5551522 is about 177.0668882291.

The spelling of 5551522 in words is "five million, five hundred fifty-one thousand, five hundred twenty-two".