551899795 has 4 divisors (see below), whose sum is σ = 662279760. Its totient is φ = 441519832.

The previous prime is 551899787. The next prime is 551899813. The reversal of 551899795 is 597998155.

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 551899795 - 2³ = 551899787 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55189975 + ... + 55189984.

It is an arithmetic number, because the mean of its divisors is an integer number (165569940).

Almost surely, 2^551899795 is an apocalyptic number.

551899795 is a deficient number, since it is larger than the sum of its proper divisors (110379965).

551899795 is a wasteful number, since it uses less digits than its factorization.

551899795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110379964.

The product of its digits is 5103000, while the sum is 58.

The square root of 551899795 is about 23492.5476481373. The cubic root of 551899795 is about 820.2635455678.

The spelling of 551899795 in words is "five hundred fifty-one million, eight hundred ninety-nine thousand, seven hundred ninety-five".