551295887 has 8 divisors (see below), whose sum is σ = 600322800. Its totient is φ = 504270144.

The previous prime is 551295883. The next prime is 551295889. The reversal of 551295887 is 788592155.

It is a happy number.

551295887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 551295887 - 2² = 551295883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551295883) 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, 499718 + ... + 500819.

It is an arithmetic number, because the mean of its divisors is an integer number (75040350).

Almost surely, 2^551295887 is an apocalyptic number.

551295887 is a deficient number, since it is larger than the sum of its proper divisors (49026913).

551295887 is a wasteful number, since it uses less digits than its factorization.

551295887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000585.

The product of its digits is 1008000, while the sum is 50.

The square root of 551295887 is about 23479.6909477105. The cubic root of 551295887 is about 819.9642493833.

It can be divided in two parts, 55129 and 5887, that added together give a palindrome (61016).

The spelling of 551295887 in words is "five hundred fifty-one million, two hundred ninety-five thousand, eight hundred eighty-seven".