100532553 has 32 divisors (see below), whose sum is σ = 155443200. Its totient is φ = 57153600.

The previous prime is 100532503. The next prime is 100532557. The reversal of 100532553 is 355235001.

It is not a de Polignac number, because 100532553 - 2⁸ = 100532297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100532557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67608 + ... + 69078.

It is an arithmetic number, because the mean of its divisors is an integer number (4857600).

Almost surely, 2^100532553 is an apocalyptic number.

It is an amenable number.

100532553 is a deficient number, since it is larger than the sum of its proper divisors (54910647).

100532553 is a wasteful number, since it uses less digits than its factorization.

100532553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 100532553 is about 10026.5922924990. The cubic root of 100532553 is about 464.9813890112.

Adding to 100532553 its reverse (355235001), we get a palindrome (455767554).

The spelling of 100532553 in words is "one hundred million, five hundred thirty-two thousand, five hundred fifty-three".