555778434 has 32 divisors (see below), whose sum is σ = 1124343360. Its totient is φ = 183140352.

The previous prime is 555778427. The next prime is 555778439. The reversal of 555778434 is 434877555.

It is not an unprimeable number, because it can be changed into a prime (555778439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213042 + ... + 215634.

It is an arithmetic number, because the mean of its divisors is an integer number (35135730).

Almost surely, 2^555778434 is an apocalyptic number.

555778434 is an abundant number, since it is smaller than the sum of its proper divisors (568564926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

555778434 is a wasteful number, since it uses less digits than its factorization.

555778434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2994.

The product of its digits is 2352000, while the sum is 48.

The square root of 555778434 is about 23574.9535312373. The cubic root of 555778434 is about 822.1806098479.

The spelling of 555778434 in words is "five hundred fifty-five million, seven hundred seventy-eight thousand, four hundred thirty-four".