100255550 has 48 divisors (see below), whose sum is σ = 195416064. Its totient is φ = 38220000.

The previous prime is 100255543. The next prime is 100255567. The reversal of 100255550 is 55552001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109595 + ... + 110505.

It is an arithmetic number, because the mean of its divisors is an integer number (4071168).

Almost surely, 2^100255550 is an apocalyptic number.

100255550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100255550 is a deficient number, since it is larger than the sum of its proper divisors (95160514).

100255550 is a wasteful number, since it uses less digits than its factorization.

100255550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025 (or 1020 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 23.

The square root of 100255550 is about 10012.7693471886. The cubic root of 100255550 is about 464.5539330445.

The spelling of 100255550 in words is "one hundred million, two hundred fifty-five thousand, five hundred fifty".