100065550 has 24 divisors (see below), whose sum is σ = 200440296. Its totient is φ = 36947040.

The previous prime is 100065527. The next prime is 100065583. The reversal of 100065550 is 55560001.

It is a super-2 number, since 2×100065550² = 20026228593605000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76324 + ... + 77623.

It is an arithmetic number, because the mean of its divisors is an integer number (8351679).

Almost surely, 2^100065550 is an apocalyptic number.

100065550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100065550 is an abundant number, since it is smaller than the sum of its proper divisors (100374746).

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

100065550 is a wasteful number, since it uses less digits than its factorization.

100065550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153972 (or 153967 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 100065550 is about 10003.2769630757. The cubic root of 100065550 is about 464.2602799254.

The spelling of 100065550 in words is "one hundred million, sixty-five thousand, five hundred fifty".