554402665 has 4 divisors (see below), whose sum is σ = 665283204. Its totient is φ = 443522128.

The previous prime is 554402633. The next prime is 554402677. The reversal of 554402665 is 566204455.

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

It can be written as a sum of positive squares in 2 ways, for example, as 101223721 + 453178944 = 10061^2 + 21288^2 .

It is a cyclic number.

It is not a de Polignac number, because 554402665 - 2⁵ = 554402633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55440262 + ... + 55440271.

It is an arithmetic number, because the mean of its divisors is an integer number (166320801).

Almost surely, 2^554402665 is an apocalyptic number.

It is an amenable number.

554402665 is a deficient number, since it is larger than the sum of its proper divisors (110880539).

554402665 is a wasteful number, since it uses less digits than its factorization.

554402665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110880538.

The product of its (nonzero) digits is 144000, while the sum is 37.

The square root of 554402665 is about 23545.7568364238. The cubic root of 554402665 is about 821.5016431098.

The spelling of 554402665 in words is "five hundred fifty-four million, four hundred two thousand, six hundred sixty-five".