109555004 has 24 divisors (see below), whose sum is σ = 218616048. Its totient is φ = 47589120.

The previous prime is 109554989. The next prime is 109555009. The reversal of 109555004 is 400555901.

109555004 = 1657² + 1658² + ... + 1695².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109555009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61082 + ... + 62849.

It is an arithmetic number, because the mean of its divisors is an integer number (9109002).

Almost surely, 2^109555004 is an apocalyptic number.

It is an amenable number.

109555004 is a deficient number, since it is larger than the sum of its proper divisors (109061044).

109555004 is a wasteful number, since it uses less digits than its factorization.

109555004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123965 (or 123963 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 109555004 is about 10466.8526310443. The cubic root of 109555004 is about 478.4950025811.

The spelling of 109555004 in words is "one hundred nine million, five hundred fifty-five thousand, four".