555028406 has 4 divisors (see below), whose sum is σ = 832542612. Its totient is φ = 277514202.

The previous prime is 555028381. The next prime is 555028421. The reversal of 555028406 is 604820555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 604820555 = 5 ⋅120964111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138757100 + ... + 138757103.

It is an arithmetic number, because the mean of its divisors is an integer number (208135653).

Almost surely, 2^555028406 is an apocalyptic number.

555028406 is a deficient number, since it is larger than the sum of its proper divisors (277514206).

555028406 is a wasteful number, since it uses less digits than its factorization.

555028406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277514205.

The product of its (nonzero) digits is 48000, while the sum is 35.

The square root of 555028406 is about 23559.0408548396. The cubic root of 555028406 is about 821.8105966410.

The spelling of 555028406 in words is "five hundred fifty-five million, twenty-eight thousand, four hundred six".