100557530 has 16 divisors (see below), whose sum is σ = 182697120. Its totient is φ = 39846672.

The previous prime is 100557511. The next prime is 100557539. The reversal of 100557530 is 35755001.

It is a super-2 number, since 2×100557530² = 20223633679401800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100557530.

It is not an unprimeable number, because it can be changed into a prime (100557539) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 45920 + ... + 48059.

It is an arithmetic number, because the mean of its divisors is an integer number (11418570).

Almost surely, 2^100557530 is an apocalyptic number.

100557530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100557530 is a deficient number, since it is larger than the sum of its proper divisors (82139590).

100557530 is a wasteful number, since it uses less digits than its factorization.

100557530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94093.

The product of its (nonzero) digits is 2625, while the sum is 26.

The square root of 100557530 is about 10027.8377529755. The cubic root of 100557530 is about 465.0198935490.

The spelling of 100557530 in words is "one hundred million, five hundred fifty-seven thousand, five hundred thirty".