109654553 has 2 divisors, whose sum is σ = 109654554. Its totient is φ = 109654552.

The previous prime is 109654507. The next prime is 109654577. The reversal of 109654553 is 355456901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73136704 + 36517849 = 8552^2 + 6043^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109654553 is a prime.

It is not a weakly prime, because it can be changed into another prime (109654583) 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, 54827276 + 54827277.

It is an arithmetic number, because the mean of its divisors is an integer number (54827277).

Almost surely, 2^109654553 is an apocalyptic number.

It is an amenable number.

109654553 is a deficient number, since it is larger than the sum of its proper divisors (1).

109654553 is an equidigital number, since it uses as much as digits as its factorization.

109654553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81000, while the sum is 38.

The square root of 109654553 is about 10471.6069922434. The cubic root of 109654553 is about 478.6398895536.

The spelling of 109654553 in words is "one hundred nine million, six hundred fifty-four thousand, five hundred fifty-three".