100553430 has 32 divisors (see below), whose sum is σ = 241636608. Its totient is φ = 26780000.

The previous prime is 100553423. The next prime is 100553473. The reversal of 100553430 is 34355001.

It is a super-2 number, since 2×100553430² = 20221984569529800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100553397 and 100553406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29305 + ... + 32555.

It is an arithmetic number, because the mean of its divisors is an integer number (7551144).

Almost surely, 2^100553430 is an apocalyptic number.

100553430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100553430 is an abundant number, since it is smaller than the sum of its proper divisors (141083178).

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

100553430 is a wasteful number, since it uses less digits than its factorization.

100553430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4292.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 100553430 is about 10027.6333199813. The cubic root of 100553430 is about 465.0135734273.

The spelling of 100553430 in words is "one hundred million, five hundred fifty-three thousand, four hundred thirty".