100550604 has 48 divisors (see below), whose sum is σ = 292513536. Its totient is φ = 26116800.

The previous prime is 100550587. The next prime is 100550609. The reversal of 100550604 is 406055001.

It is a happy number.

It is a super-2 number, since 2×100550604² = 20220847929529632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (100550609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53487 + ... + 55334.

It is an arithmetic number, because the mean of its divisors is an integer number (6094032).

Almost surely, 2^100550604 is an apocalyptic number.

100550604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

100550604 is an abundant number, since it is smaller than the sum of its proper divisors (191962932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100550604 is a wasteful number, since it uses less digits than its factorization.

100550604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108846 (or 108844 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 100550604 is about 10027.4924083741. The cubic root of 100550604 is about 465.0092170679.

The spelling of 100550604 in words is "one hundred million, five hundred fifty thousand, six hundred four".