551055011 has 8 divisors (see below), whose sum is σ = 600594960. Its totient is φ = 502536672.

The previous prime is 551055007. The next prime is 551055041. The reversal of 551055011 is 110550155.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 551055011 - 2² = 551055007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551055041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254276 + ... + 256433.

It is an arithmetic number, because the mean of its divisors is an integer number (75074370).

Almost surely, 2^551055011 is an apocalyptic number.

551055011 is a deficient number, since it is larger than the sum of its proper divisors (49539949).

551055011 is a wasteful number, since it uses less digits than its factorization.

551055011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510805.

The product of its (nonzero) digits is 625, while the sum is 23.

The square root of 551055011 is about 23474.5609330611. The cubic root of 551055011 is about 819.8448105084.

The spelling of 551055011 in words is "five hundred fifty-one million, fifty-five thousand, eleven".