106554553 has 4 divisors (see below), whose sum is σ = 121776640. Its totient is φ = 91332468.

The previous prime is 106554541. The next prime is 106554571. The reversal of 106554553 is 355455601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106554553 is a prime.

It is a super-2 number, since 2×106554553² = 22707745530059618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106554853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7611033 + ... + 7611046.

It is an arithmetic number, because the mean of its divisors is an integer number (30444160).

Almost surely, 2^106554553 is an apocalyptic number.

It is an amenable number.

106554553 is a deficient number, since it is larger than the sum of its proper divisors (15222087).

106554553 is an equidigital number, since it uses as much as digits as its factorization.

106554553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15222086.

The product of its (nonzero) digits is 45000, while the sum is 34.

The square root of 106554553 is about 10322.5264833761. The cubic root of 106554553 is about 474.0862255381.

The spelling of 106554553 in words is "one hundred six million, five hundred fifty-four thousand, five hundred fifty-three".