100055425 has 12 divisors (see below), whose sum is σ = 130599280. Its totient is φ = 75831120.

The previous prime is 100055413. The next prime is 100055429. The reversal of 100055425 is 524550001.

It is not a de Polignac number, because 100055425 - 2⁵ = 100055393 is a prime.

It is a super-2 number, since 2×100055425² = 20022176143861250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100055396 and 100055405.

It is not an unprimeable number, because it can be changed into a prime (100055429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104847 + ... + 105796.

Almost surely, 2^100055425 is an apocalyptic number.

It is an amenable number.

100055425 is a deficient number, since it is larger than the sum of its proper divisors (30543855).

100055425 is a wasteful number, since it uses less digits than its factorization.

100055425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210672 (or 210667 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 100055425 is about 10002.7708661150. The cubic root of 100055425 is about 464.2446208769.

The spelling of 100055425 in words is "one hundred million, fifty-five thousand, four hundred twenty-five".