550035553 has 4 divisors (see below), whose sum is σ = 555375808. Its totient is φ = 544695300.

The previous prime is 550035539. The next prime is 550035559. The reversal of 550035553 is 355530055.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 355530055 = 5 ⋅71106011.

It is a cyclic number.

It is not a de Polignac number, because 550035553 - 2²¹ = 547938401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550035559) 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, 2669973 + ... + 2670178.

It is an arithmetic number, because the mean of its divisors is an integer number (138843952).

Almost surely, 2^550035553 is an apocalyptic number.

It is an amenable number.

550035553 is a deficient number, since it is larger than the sum of its proper divisors (5340255).

550035553 is a wasteful number, since it uses less digits than its factorization.

550035553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5340254.

The product of its (nonzero) digits is 28125, while the sum is 31.

The square root of 550035553 is about 23452.8367793749. The cubic root of 550035553 is about 819.3389243591.

The spelling of 550035553 in words is "five hundred fifty million, thirty-five thousand, five hundred fifty-three".