100555432 has 16 divisors (see below), whose sum is σ = 189226260. Its totient is φ = 50095104.

The previous prime is 100555421. The next prime is 100555439. The reversal of 100555432 is 234555001.

It can be written as a sum of positive squares in 2 ways, for example, as 98287396 + 2268036 = 9914^2 + 1506^2 .

It is a super-2 number, since 2×100555432² = 20222789809413248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100555397 and 100555406.

It is not an unprimeable number, because it can be changed into a prime (100555439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20473 + ... + 24904.

Almost surely, 2^100555432 is an apocalyptic number.

It is an amenable number.

100555432 is a deficient number, since it is larger than the sum of its proper divisors (88670828).

100555432 is a wasteful number, since it uses less digits than its factorization.

100555432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45660 (or 45656 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 100555432 is about 10027.7331436372. The cubic root of 100555432 is about 465.0166595180.

The spelling of 100555432 in words is "one hundred million, five hundred fifty-five thousand, four hundred thirty-two".