100555630 has 64 divisors (see below), whose sum is σ = 215654400. Its totient is φ = 33033600.

The previous prime is 100555621. The next prime is 100555639. The reversal of 100555630 is 36555001.

It is an interprime number because it is at equal distance from previous prime (100555621) and next prime (100555639).

It is a super-2 number, since 2×100555630² = 20222869449393800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100555595 and 100555604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100555639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 323175 + ... + 323485.

It is an arithmetic number, because the mean of its divisors is an integer number (3369600).

Almost surely, 2^100555630 is an apocalyptic number.

100555630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100555630 is an abundant number, since it is smaller than the sum of its proper divisors (115098770).

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

100555630 is a wasteful number, since it uses less digits than its factorization.

100555630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 100555630 is about 10027.7430162525. The cubic root of 100555630 is about 465.0169647335.

The spelling of 100555630 in words is "one hundred million, five hundred fifty-five thousand, six hundred thirty".