551630002 has 32 divisors (see below), whose sum is σ = 1085921280. Its totient is φ = 203608080.

The previous prime is 551629951. The next prime is 551630011. The reversal of 551630002 is 200036155.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91338 + ... + 97189.

It is an arithmetic number, because the mean of its divisors is an integer number (33935040).

Almost surely, 2^551630002 is an apocalyptic number.

551630002 is a deficient number, since it is larger than the sum of its proper divisors (534291278).

551630002 is a wasteful number, since it uses less digits than its factorization.

551630002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188566.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 551630002 is about 23486.8048486805. The cubic root of 551630002 is about 820.1298634301.

Adding to 551630002 its reverse (200036155), we get a palindrome (751666157).

The spelling of 551630002 in words is "five hundred fifty-one million, six hundred thirty thousand, two".