32553138 has 32 divisors (see below), whose sum is σ = 68477760. Its totient is φ = 10301760.

The previous prime is 32553127. The next prime is 32553149. The reversal of 32553138 is 83135523.

It is an interprime number because it is at equal distance from previous prime (32553127) and next prime (32553149).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9081 + ... + 12147.

It is an arithmetic number, because the mean of its divisors is an integer number (2139930).

Almost surely, 2^32553138 is an apocalyptic number.

32553138 is an abundant number, since it is smaller than the sum of its proper divisors (35924622).

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

32553138 is a wasteful number, since it uses less digits than its factorization.

32553138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162.

The product of its digits is 10800, while the sum is 30.

The square root of 32553138 is about 5705.5357329527. The cubic root of 32553138 is about 319.2990451177.

The spelling of 32553138 in words is "thirty-two million, five hundred fifty-three thousand, one hundred thirty-eight".