554550406 has 4 divisors (see below), whose sum is σ = 831825612. Its totient is φ = 277275202.

The previous prime is 554550391. The next prime is 554550419. The reversal of 554550406 is 604055455.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 604055455 = 5 ⋅120811091.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 138637600 + ... + 138637603.

It is an arithmetic number, because the mean of its divisors is an integer number (207956403).

Almost surely, 2^554550406 is an apocalyptic number.

554550406 is a deficient number, since it is larger than the sum of its proper divisors (277275206).

554550406 is a wasteful number, since it uses less digits than its factorization.

554550406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277275205.

The product of its (nonzero) digits is 60000, while the sum is 34.

The square root of 554550406 is about 23548.8939443024. The cubic root of 554550406 is about 821.5746097472.

The spelling of 554550406 in words is "five hundred fifty-four million, five hundred fifty thousand, four hundred six".