100039550 has 36 divisors (see below), whose sum is σ = 201504960. Its totient is φ = 36934560.

The previous prime is 100039529. The next prime is 100039571. The reversal of 100039550 is 55930001.

It is an interprime number because it is at equal distance from previous prime (100039529) and next prime (100039571).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2531 + ... + 14369.

It is an arithmetic number, because the mean of its divisors is an integer number (5597360).

Almost surely, 2^100039550 is an apocalyptic number.

100039550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100039550 is an abundant number, since it is smaller than the sum of its proper divisors (101465410).

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

100039550 is a wasteful number, since it uses less digits than its factorization.

100039550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11877 (or 11859 counting only the distinct ones).

The product of its (nonzero) digits is 675, while the sum is 23.

The square root of 100039550 is about 10001.9773045133. The cubic root of 100039550 is about 464.2200669087.

Adding to 100039550 its reverse (55930001), we get a palindrome (155969551).

The spelling of 100039550 in words is "one hundred million, thirty-nine thousand, five hundred fifty".