106543551 has 8 divisors (see below), whose sum is σ = 145361920. Its totient is φ = 69377112.

The previous prime is 106543537. The next prime is 106543579. The reversal of 106543551 is 155345601.

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

It is not a de Polignac number, because 106543551 - 2⁶ = 106543487 is a prime.

It is a super-2 number, since 2×106543551² = 22703056519379202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106543511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412831 + ... + 413088.

It is an arithmetic number, because the mean of its divisors is an integer number (18170240).

Almost surely, 2^106543551 is an apocalyptic number.

106543551 is a deficient number, since it is larger than the sum of its proper divisors (38818369).

106543551 is an equidigital number, since it uses as much as digits as its factorization.

106543551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825965.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 106543551 is about 10321.9935574481. The cubic root of 106543551 is about 474.0699081494.

The spelling of 106543551 in words is "one hundred six million, five hundred forty-three thousand, five hundred fifty-one".