105641553 has 32 divisors (see below), whose sum is σ = 157199616. Its totient is φ = 62763008.

The previous prime is 105641551. The next prime is 105641579. The reversal of 105641553 is 355146501.

It is a cyclic number.

It is not a de Polignac number, because 105641553 - 2¹ = 105641551 is a prime.

It is a super-2 number, since 2×105641553² = 22320275440503618, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105641553.

It is not an unprimeable number, because it can be changed into a prime (105641551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132151 + ... + 132947.

It is an arithmetic number, because the mean of its divisors is an integer number (4912488).

Almost surely, 2^105641553 is an apocalyptic number.

It is an amenable number.

105641553 is a deficient number, since it is larger than the sum of its proper divisors (51558063).

105641553 is a wasteful number, since it uses less digits than its factorization.

105641553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953.

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

The square root of 105641553 is about 10278.2076744927. The cubic root of 105641553 is about 472.7282892248.

The spelling of 105641553 in words is "one hundred five million, six hundred forty-one thousand, five hundred fifty-three".