551315469 has 8 divisors (see below), whose sum is σ = 742365792. Its totient is φ = 363904400.

The previous prime is 551315459. The next prime is 551315473. The reversal of 551315469 is 964513155.

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 551315469 - 2⁵ = 551315437 is a prime.

It is a super-2 number, since 2×551315469² = 607897492717379922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551315459) 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, 909459 + ... + 910064.

It is an arithmetic number, because the mean of its divisors is an integer number (92795724).

Almost surely, 2^551315469 is an apocalyptic number.

It is an amenable number.

551315469 is a deficient number, since it is larger than the sum of its proper divisors (191050323).

551315469 is a wasteful number, since it uses less digits than its factorization.

551315469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819627.

The product of its digits is 81000, while the sum is 39.

The square root of 551315469 is about 23480.1079426820. The cubic root of 551315469 is about 819.9739576302.

The spelling of 551315469 in words is "five hundred fifty-one million, three hundred fifteen thousand, four hundred sixty-nine".