551379449 has 8 divisors (see below), whose sum is σ = 583320000. Its totient is φ = 519730992.

The previous prime is 551379431. The next prime is 551379509. The reversal of 551379449 is 944973155.

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 551379449 - 2¹² = 551375353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551379749) 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, 69134 + ... + 76695.

It is an arithmetic number, because the mean of its divisors is an integer number (72915000).

Almost surely, 2^551379449 is an apocalyptic number.

It is an amenable number.

551379449 is a deficient number, since it is larger than the sum of its proper divisors (31940551).

551379449 is a wasteful number, since it uses less digits than its factorization.

551379449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146047.

The product of its digits is 680400, while the sum is 47.

The square root of 551379449 is about 23481.4703330094. The cubic root of 551379449 is about 820.0056756498.

The spelling of 551379449 in words is "five hundred fifty-one million, three hundred seventy-nine thousand, four hundred forty-nine".