554421305 has 4 divisors (see below), whose sum is σ = 665305572. Its totient is φ = 443537040.

The previous prime is 554421277. The next prime is 554421319. The reversal of 554421305 is 503124455.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 503124455 = 5 ⋅100624891.

It can be written as a sum of positive squares in 2 ways, for example, as 137077264 + 417344041 = 11708^2 + 20429^2 .

It is not a de Polignac number, because 554421305 - 2²⁴ = 537644089 is a prime.

It is a Duffinian number.

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, 55442126 + ... + 55442135.

It is an arithmetic number, because the mean of its divisors is an integer number (166326393).

Almost surely, 2^554421305 is an apocalyptic number.

It is an amenable number.

554421305 is a deficient number, since it is larger than the sum of its proper divisors (110884267).

554421305 is a wasteful number, since it uses less digits than its factorization.

554421305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110884266.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 554421305 is about 23546.1526581308. The cubic root of 554421305 is about 821.5108497869.

The spelling of 554421305 in words is "five hundred fifty-four million, four hundred twenty-one thousand, three hundred five".