554555401 has 3 divisors (see below), whose sum is σ = 554578951. Its totient is φ = 554531852.

The previous prime is 554555389. The next prime is 554555423. The reversal of 554555401 is 104555455.

The square root of 554555401 is 23549.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 423801 + 554131600 = 651^2 + 23540^2 .

It is not a de Polignac number, because 554555401 - 2¹¹ = 554553353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (554555471) 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 2 ways as a sum of consecutive naturals, for example, 11775 + ... + 35323.

Almost surely, 2^554555401 is an apocalyptic number.

554555401 is the 23549-th square number.

554555401 is the 11775-th centered octagonal number.

It is an amenable number.

554555401 is a deficient number, since it is larger than the sum of its proper divisors (23550).

554555401 is an frugal number, since it uses more digits than its factorization.

554555401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47098 (or 23549 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 34.

The cubic root of 554555401 is about 821.5770764619.

The spelling of 554555401 in words is "five hundred fifty-four million, five hundred fifty-five thousand, four hundred one".