545551004 has 6 divisors (see below), whose sum is σ = 954714264. Its totient is φ = 272775500.

The previous prime is 545551003. The next prime is 545551021. The reversal of 545551004 is 400155545.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545551003) by changing a digit.

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, 68193872 + ... + 68193879.

It is an arithmetic number, because the mean of its divisors is an integer number (159119044).

Almost surely, 2^545551004 is an apocalyptic number.

It is an amenable number.

545551004 is a deficient number, since it is larger than the sum of its proper divisors (409163260).

545551004 is a wasteful number, since it uses less digits than its factorization.

545551004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136387755 (or 136387753 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 545551004 is about 23357.0332876416. The cubic root of 545551004 is about 817.1061008281.

The spelling of 545551004 in words is "five hundred forty-five million, five hundred fifty-one thousand, four".