554979406 has 8 divisors (see below), whose sum is σ = 838056600. Its totient is φ = 275627208.

The previous prime is 554979353. The next prime is 554979437. The reversal of 554979406 is 604979455.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×554979406² = 616004282168225672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 554979406.

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, 930876 + ... + 931471.

It is an arithmetic number, because the mean of its divisors is an integer number (104757075).

Almost surely, 2^554979406 is an apocalyptic number.

554979406 is a deficient number, since it is larger than the sum of its proper divisors (283077194).

554979406 is a wasteful number, since it uses less digits than its factorization.

554979406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862498.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The square root of 554979406 is about 23558.0008914169. Note that the first 3 decimals coincide. The cubic root of 554979406 is about 821.7864117502.

Adding to 554979406 its sum of digits (49), we get a palindrome (554979455).

The spelling of 554979406 in words is "five hundred fifty-four million, nine hundred seventy-nine thousand, four hundred six".