5550031 has 4 divisors (see below), whose sum is σ = 5570064. Its totient is φ = 5530000.

The previous prime is 5550029. The next prime is 5550059. The reversal of 5550031 is 1300555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1300555 = 5 ⋅260111.

It is a cyclic number.

It is not a de Polignac number, because 5550031 - 2¹ = 5550029 is a prime.

It is a super-4 number, since 4×5550031⁴ (a number of 28 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5549990 and 5550008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5550011) 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, 9595 + ... + 10156.

It is an arithmetic number, because the mean of its divisors is an integer number (1392516).

Almost surely, 2^5550031 is an apocalyptic number.

5550031 is a deficient number, since it is larger than the sum of its proper divisors (20033).

5550031 is a wasteful number, since it uses less digits than its factorization.

5550031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20032.

The product of its (nonzero) digits is 375, while the sum is 19.

The square root of 5550031 is about 2355.8503772523. The cubic root of 5550031 is about 177.0510348968.

Adding to 5550031 its reverse (1300555), we get a palindrome (6850586).

It can be divided in two parts, 55 and 50031, that added together give a triangular number (50086 = T₃₁₆).

The spelling of 5550031 in words is "five million, five hundred fifty thousand, thirty-one".