105552551 has 8 divisors (see below), whose sum is σ = 117339264. Its totient is φ = 94289760.

The previous prime is 105552533. The next prime is 105552563. The reversal of 105552551 is 155255501.

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

It is a cyclic number.

It is not a de Polignac number, because 105552551 - 2²⁶ = 38443687 is a prime.

It is a super-2 number, since 2×105552551² = 22282682045215202, 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 (105552151) 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, 130556 + ... + 131361.

It is an arithmetic number, because the mean of its divisors is an integer number (14667408).

Almost surely, 2^105552551 is an apocalyptic number.

105552551 is a deficient number, since it is larger than the sum of its proper divisors (11786713).

105552551 is a wasteful number, since it uses less digits than its factorization.

105552551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261961.

The product of its (nonzero) digits is 6250, while the sum is 29.

The square root of 105552551 is about 10273.8771162595. The cubic root of 105552551 is about 472.5954955682.

The spelling of 105552551 in words is "one hundred five million, five hundred fifty-two thousand, five hundred fifty-one".