551039104 has 160 divisors (see below), whose sum is σ = 1405653840. Its totient is φ = 213373440.

The previous prime is 551039087. The next prime is 551039119. The reversal of 551039104 is 401930155.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3380527 + ... + 3380689.

Almost surely, 2^551039104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551039104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (702826920).

551039104 is an abundant number, since it is smaller than the sum of its proper divisors (854614736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551039104 is an equidigital number, since it uses as much as digits as its factorization.

551039104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 551039104 is about 23474.2221170372. Note that the first 3 decimals coincide. The cubic root of 551039104 is about 819.8369217638.

Adding to 551039104 its reverse (401930155), we get a palindrome (952969259).

The spelling of 551039104 in words is "five hundred fifty-one million, thirty-nine thousand, one hundred four".