5551303 has 4 divisors (see below), whose sum is σ = 5792688. Its totient is φ = 5309920.

The previous prime is 5551283. The next prime is 5551307. The reversal of 5551303 is 3031555.

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: 3031555 = 5 ⋅606311.

It is a cyclic number.

It is not a de Polignac number, because 5551303 - 2¹⁷ = 5420231 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120658 + ... + 120703.

It is an arithmetic number, because the mean of its divisors is an integer number (1448172).

Almost surely, 2^5551303 is an apocalyptic number.

5551303 is a deficient number, since it is larger than the sum of its proper divisors (241385).

5551303 is a wasteful number, since it uses less digits than its factorization.

5551303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241384.

The product of its (nonzero) digits is 1125, while the sum is 22.

The square root of 5551303 is about 2356.1203279969. The cubic root of 5551303 is about 177.0645598491.

Adding to 5551303 its reverse (3031555), we get a palindrome (8582858).

The spelling of 5551303 in words is "five million, five hundred fifty-one thousand, three hundred three".