550875731 has 8 divisors (see below), whose sum is σ = 637158144. Its totient is φ = 466489800.

The previous prime is 550875679. The next prime is 550875733. The reversal of 550875731 is 137578055.

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

It is a de Polignac number, because none of the positive numbers 2^k-550875731 is a prime.

It is a super-2 number, since 2×550875731² = 606928142009568722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (550875733) 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, 473495 + ... + 474656.

It is an arithmetic number, because the mean of its divisors is an integer number (79644768).

Almost surely, 2^550875731 is an apocalyptic number.

550875731 is a deficient number, since it is larger than the sum of its proper divisors (86282413).

550875731 is an equidigital number, since it uses as much as digits as its factorization.

550875731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948241.

The product of its (nonzero) digits is 147000, while the sum is 41.

The square root of 550875731 is about 23470.7420206520. The cubic root of 550875731 is about 819.7558915456.

The spelling of 550875731 in words is "five hundred fifty million, eight hundred seventy-five thousand, seven hundred thirty-one".