109556554 has 8 divisors (see below), whose sum is σ = 165842820. Its totient is φ = 54275616.

The previous prime is 109556537. The next prime is 109556563. The reversal of 109556554 is 455655901.

It can be written as a sum of positive squares in 2 ways, for example, as 91298025 + 18258529 = 9555^2 + 4273^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251059 + ... + 251494.

Almost surely, 2^109556554 is an apocalyptic number.

109556554 is a deficient number, since it is larger than the sum of its proper divisors (56286266).

109556554 is a wasteful number, since it uses less digits than its factorization.

109556554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502664.

The product of its (nonzero) digits is 135000, while the sum is 40.

The square root of 109556554 is about 10466.9266740529. The cubic root of 109556554 is about 478.4972591759.

The spelling of 109556554 in words is "one hundred nine million, five hundred fifty-six thousand, five hundred fifty-four".