109255554 has 40 divisors (see below), whose sum is σ = 245974608. Its totient is φ = 36245880.

The previous prime is 109255541. The next prime is 109255579. The reversal of 109255554 is 455552901.

109255554 is a `hidden beast` number, since 10 + 92 + 5 + 5 + 554 = 666.

It is an unprimeable number.

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 in 19 ways as a sum of consecutive naturals, for example, 35289 + ... + 38259.

Almost surely, 2^109255554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109255554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122987304).

109255554 is an abundant number, since it is smaller than the sum of its proper divisors (136719054).

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

109255554 is a wasteful number, since it uses less digits than its factorization.

109255554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3212 (or 3203 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The square root of 109255554 is about 10452.5381606574. The cubic root of 109255554 is about 478.0586431555.

The spelling of 109255554 in words is "one hundred nine million, two hundred fifty-five thousand, five hundred fifty-four".