103564557 has 6 divisors (see below), whose sum is σ = 149593262. Its totient is φ = 69043032.

The previous prime is 103564553. The next prime is 103564603. The reversal of 103564557 is 755465301.

103564557 is a `hidden beast` number, since 1 + 0 + 3 + 5 + 645 + 5 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 99620361 + 3944196 = 9981^2 + 1986^2 .

It is not a de Polignac number, because 103564557 - 2² = 103564553 is a prime.

It is a super-3 number, since 3×103564557³ (a number of 25 digits) contains 333 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 (103564553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5753578 + ... + 5753595.

Almost surely, 2^103564557 is an apocalyptic number.

It is an amenable number.

103564557 is a deficient number, since it is larger than the sum of its proper divisors (46028705).

103564557 is a wasteful number, since it uses less digits than its factorization.

103564557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11507179 (or 11507176 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 103564557 is about 10176.6672835462. The cubic root of 103564557 is about 469.6096910496.

The spelling of 103564557 in words is "one hundred three million, five hundred sixty-four thousand, five hundred fifty-seven".