551500104 has 16 divisors (see below), whose sum is σ = 1378750320. Its totient is φ = 183833360.

The previous prime is 551500091. The next prime is 551500109. The reversal of 551500104 is 401005155.

It is not an unprimeable number, because it can be changed into a prime (551500109) 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, 11489562 + ... + 11489609.

It is an arithmetic number, because the mean of its divisors is an integer number (86171895).

Almost surely, 2^551500104 is an apocalyptic number.

It is an amenable number.

551500104 is an abundant number, since it is smaller than the sum of its proper divisors (827250216).

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

551500104 is a wasteful number, since it uses less digits than its factorization.

551500104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22979180 (or 22979176 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 551500104 is about 23484.0393459047. The cubic root of 551500104 is about 820.0654835668.

Adding to 551500104 its reverse (401005155), we get a palindrome (952505259).

The spelling of 551500104 in words is "five hundred fifty-one million, five hundred thousand, one hundred four".