554406445 has 4 divisors (see below), whose sum is σ = 665287740. Its totient is φ = 443525152.

The previous prime is 554406403. The next prime is 554406487. The reversal of 554406445 is 544604455.

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

It is an interprime number because it is at equal distance from previous prime (554406403) and next prime (554406487).

It can be written as a sum of positive squares in 2 ways, for example, as 138980521 + 415425924 = 11789^2 + 20382^2 .

It is a cyclic number.

It is not a de Polignac number, because 554406445 - 2⁷ = 554406317 is a prime.

It is a congruent 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, 55440640 + ... + 55440649.

It is an arithmetic number, because the mean of its divisors is an integer number (166321935).

Almost surely, 2^554406445 is an apocalyptic number.

It is an amenable number.

554406445 is a deficient number, since it is larger than the sum of its proper divisors (110881295).

554406445 is a wasteful number, since it uses less digits than its factorization.

554406445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110881294.

The product of its (nonzero) digits is 192000, while the sum is 37.

The square root of 554406445 is about 23545.8371055267. The cubic root of 554406445 is about 821.5035101458.

The spelling of 554406445 in words is "five hundred fifty-four million, four hundred six thousand, four hundred forty-five".