551342930 has 16 divisors (see below), whose sum is σ = 996539544. Its totient is φ = 219621120.

The previous prime is 551342917. The next prime is 551342951. The reversal of 551342930 is 39243155.

It can be written as a sum of positive squares in 4 ways, for example, as 550981729 + 361201 = 23473^2 + 601^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111977 + ... + 116796.

Almost surely, 2^551342930 is an apocalyptic number.

551342930 is a deficient number, since it is larger than the sum of its proper divisors (445196614).

551342930 is a wasteful number, since it uses less digits than its factorization.

551342930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229021.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 551342930 is about 23480.6927069880. The cubic root of 551342930 is about 819.9875716934.

The spelling of 551342930 in words is "five hundred fifty-one million, three hundred forty-two thousand, nine hundred thirty".