105557572 has 12 divisors (see below), whose sum is σ = 187754476. Its totient is φ = 51913440.

The previous prime is 105557563. The next prime is 105557587. The reversal of 105557572 is 275755501.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 39363076 + 66194496 = 6274^2 + 8136^2 .

It is a super-2 number, since 2×105557572² = 22284802013070368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216063 + ... + 216550.

Almost surely, 2^105557572 is an apocalyptic number.

It is an amenable number.

105557572 is a deficient number, since it is larger than the sum of its proper divisors (82196904).

105557572 is a wasteful number, since it uses less digits than its factorization.

105557572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432678 (or 432676 counting only the distinct ones).

The product of its (nonzero) digits is 61250, while the sum is 37.

The square root of 105557572 is about 10274.1214709580. The cubic root of 105557572 is about 472.6029890374.

The spelling of 105557572 in words is "one hundred five million, five hundred fifty-seven thousand, five hundred seventy-two".