5551633 has 2 divisors, whose sum is σ = 5551634. Its totient is φ = 5551632.

The previous prime is 5551627. The next prime is 5551643. The reversal of 5551633 is 3361555.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3017169 + 2534464 = 1737^2 + 1592^2 .

It is a cyclic number.

It is not a de Polignac number, because 5551633 - 2⁹ = 5551121 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (5551603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775816 + 2775817.

It is an arithmetic number, because the mean of its divisors is an integer number (2775817).

Almost surely, 2^5551633 is an apocalyptic number.

It is an amenable number.

5551633 is a deficient number, since it is larger than the sum of its proper divisors (1).

5551633 is an equidigital number, since it uses as much as digits as its factorization.

5551633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6750, while the sum is 28.

The square root of 5551633 is about 2356.1903573353. The cubic root of 5551633 is about 177.0680683435.

The spelling of 5551633 in words is "five million, five hundred fifty-one thousand, six hundred thirty-three".