554070661 has 4 divisors (see below), whose sum is σ = 554186752. Its totient is φ = 553954572.

The previous prime is 554070631. The next prime is 554070677. The reversal of 554070661 is 166070455.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-554070661 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 (554070631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50565 + ... + 60538.

It is an arithmetic number, because the mean of its divisors is an integer number (138546688).

Almost surely, 2^554070661 is an apocalyptic number.

It is an amenable number.

554070661 is a deficient number, since it is larger than the sum of its proper divisors (116091).

554070661 is a wasteful number, since it uses less digits than its factorization.

554070661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116090.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 554070661 is about 23538.7055931289. The cubic root of 554070661 is about 821.3376249628.

The spelling of 554070661 in words is "five hundred fifty-four million, seventy thousand, six hundred sixty-one".