5550553 has 2 divisors, whose sum is σ = 5550554. Its totient is φ = 5550552.

The previous prime is 5550547. The next prime is 5550557. The reversal of 5550553 is 3550555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5345344 + 205209 = 2312^2 + 453^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5550553 is a prime.

It is not a weakly prime, because it can be changed into another prime (5550557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775276 + 2775277.

It is an arithmetic number, because the mean of its divisors is an integer number (2775277).

Almost surely, 2^5550553 is an apocalyptic number.

It is an amenable number.

5550553 is a deficient number, since it is larger than the sum of its proper divisors (1).

5550553 is an equidigital number, since it uses as much as digits as its factorization.

5550553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9375, while the sum is 28.

The square root of 5550553 is about 2355.9611626680. The cubic root of 5550553 is about 177.0565854810.

The spelling of 5550553 in words is "five million, five hundred fifty thousand, five hundred fifty-three".