109551902 has 4 divisors (see below), whose sum is σ = 164327856. Its totient is φ = 54775950.

The previous prime is 109551899. The next prime is 109551919. The reversal of 109551902 is 209155901.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27387974 + ... + 27387977.

It is an arithmetic number, because the mean of its divisors is an integer number (41081964).

Almost surely, 2^109551902 is an apocalyptic number.

109551902 is a deficient number, since it is larger than the sum of its proper divisors (54775954).

109551902 is an equidigital number, since it uses as much as digits as its factorization.

109551902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54775953.

The product of its (nonzero) digits is 4050, while the sum is 32.

The square root of 109551902 is about 10466.7044479148. The cubic root of 109551902 is about 478.4904864158.

The spelling of 109551902 in words is "one hundred nine million, five hundred fifty-one thousand, nine hundred two".