105587057 has 4 divisors (see below), whose sum is σ = 109228020. Its totient is φ = 101946096.

The previous prime is 105587029. The next prime is 105587063. The reversal of 105587057 is 750785501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 71842576 + 33744481 = 8476^2 + 5809^2 .

It is a cyclic number.

It is not a de Polignac number, because 105587057 - 2⁶ = 105586993 is a prime.

It is a super-3 number, since 3×105587057³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105587057.

It is not an unprimeable number, because it can be changed into a prime (105584057) 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, 1820438 + ... + 1820495.

It is an arithmetic number, because the mean of its divisors is an integer number (27307005).

Almost surely, 2^105587057 is an apocalyptic number.

It is an amenable number.

105587057 is a deficient number, since it is larger than the sum of its proper divisors (3640963).

105587057 is an equidigital number, since it uses as much as digits as its factorization.

105587057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3640962.

The product of its (nonzero) digits is 49000, while the sum is 38.

The square root of 105587057 is about 10275.5562866445. The cubic root of 105587057 is about 472.6469884134.

The spelling of 105587057 in words is "one hundred five million, five hundred eighty-seven thousand, fifty-seven".