551516330 has 16 divisors (see below), whose sum is σ = 1013852160. Its totient is φ = 215912592.

The previous prime is 551516327. The next prime is 551516341. The reversal of 551516330 is 33615155.

It is a junction number, because it is equal to n+sod(n) for n = 551516293 and 551516302.

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, 586250 + ... + 587189.

It is an arithmetic number, because the mean of its divisors is an integer number (63365760).

Almost surely, 2^551516330 is an apocalyptic number.

551516330 is a deficient number, since it is larger than the sum of its proper divisors (462335830).

551516330 is a wasteful number, since it uses less digits than its factorization.

551516330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173493.

The product of its (nonzero) digits is 6750, while the sum is 29.

The square root of 551516330 is about 23484.3848120405. The cubic root of 551516330 is about 820.0735260265.

The spelling of 551516330 in words is "five hundred fifty-one million, five hundred sixteen thousand, three hundred thirty".