551045031 has 8 divisors (see below), whose sum is σ = 741467760. Its totient is φ = 363992832.

The previous prime is 551045029. The next prime is 551045059. The reversal of 551045031 is 130540155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 551045031 - 2¹ = 551045029 is a prime.

It is a super-2 number, since 2×551045031² = 607301252379581922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 551044992 and 551045010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551045071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 842250 + ... + 842903.

It is an arithmetic number, because the mean of its divisors is an integer number (92683470).

Almost surely, 2^551045031 is an apocalyptic number.

551045031 is a deficient number, since it is larger than the sum of its proper divisors (190422729).

551045031 is a wasteful number, since it uses less digits than its factorization.

551045031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685265.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 551045031 is about 23474.3483615627. The cubic root of 551045031 is about 819.8398611535.

Adding to 551045031 its reverse (130540155), we get a palindrome (681585186).

The spelling of 551045031 in words is "five hundred fifty-one million, forty-five thousand, thirty-one".