551014691 has 4 divisors (see below), whose sum is σ = 556470384. Its totient is φ = 545559000.

The previous prime is 551014669. The next prime is 551014757. The reversal of 551014691 is 196410155.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 551014691 - 2⁶ = 551014627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551014661) 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, 2727695 + ... + 2727896.

It is an arithmetic number, because the mean of its divisors is an integer number (139117596).

Almost surely, 2^551014691 is an apocalyptic number.

551014691 is a deficient number, since it is larger than the sum of its proper divisors (5455693).

551014691 is a wasteful number, since it uses less digits than its factorization.

551014691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5455692.

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 551014691 is about 23473.7021153460. The cubic root of 551014691 is about 819.8248143506.

The spelling of 551014691 in words is "five hundred fifty-one million, fourteen thousand, six hundred ninety-one".