551987662630 has 8 divisors (see below), whose sum is σ = 993577792752. Its totient is φ = 220795065048.

The previous prime is 551987662621. The next prime is 551987662631. The reversal of 551987662630 is 36266789155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551987662631) 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, 27599383122 + ... + 27599383141.

It is an arithmetic number, because the mean of its divisors is an integer number (124197224094).

Almost surely, 2^551987662630 is an apocalyptic number.

551987662630 is a deficient number, since it is larger than the sum of its proper divisors (441590130122).

551987662630 is a wasteful number, since it uses less digits than its factorization.

551987662630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55198766270.

The product of its (nonzero) digits is 16329600, while the sum is 58.

The spelling of 551987662630 in words is "five hundred fifty-one billion, nine hundred eighty-seven million, six hundred sixty-two thousand, six hundred thirty".