554421646 has 12 divisors (see below), whose sum is σ = 883430568. Its totient is φ = 260904032.

The previous prime is 554421617. The next prime is 554421667. The reversal of 554421646 is 646124455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 479026 + ... + 480181.

It is an arithmetic number, because the mean of its divisors is an integer number (73619214).

Almost surely, 2^554421646 is an apocalyptic number.

554421646 is a deficient number, since it is larger than the sum of its proper divisors (329008922).

554421646 is a wasteful number, since it uses less digits than its factorization.

554421646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959243 (or 959226 counting only the distinct ones).

The product of its digits is 115200, while the sum is 37.

The square root of 554421646 is about 23546.1598992277. The cubic root of 554421646 is about 821.5110182119.

The spelling of 554421646 in words is "five hundred fifty-four million, four hundred twenty-one thousand, six hundred forty-six".