100550564 has 24 divisors (see below), whose sum is σ = 178831800. Its totient is φ = 49462784.

The previous prime is 100550561. The next prime is 100550587. The reversal of 100550564 is 465055001.

It can be written as a sum of positive squares in 4 ways, for example, as 350464 + 100200100 = 592^2 + 10010^2 .

It is a super-2 number, since 2×100550564² = 20220831841436192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100550561) 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, 66602 + ... + 68094.

It is an arithmetic number, because the mean of its divisors is an integer number (7451325).

Almost surely, 2^100550564 is an apocalyptic number.

It is an amenable number.

100550564 is a deficient number, since it is larger than the sum of its proper divisors (78281236).

100550564 is a wasteful number, since it uses less digits than its factorization.

100550564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759 (or 1757 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 100550564 is about 10027.4904138573. The cubic root of 100550564 is about 465.0091554061.

It can be divided in two parts, 100 and 550564, that multiplied together give a square (55056400 = 7420²).

The spelling of 100550564 in words is "one hundred million, five hundred fifty thousand, five hundred sixty-four".