32550157 has 4 divisors (see below), whose sum is σ = 32571036. Its totient is φ = 32529280.

The previous prime is 32550143. The next prime is 32550169. The reversal of 32550157 is 75105523.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75105523 = 37 ⋅2029879.

It can be written as a sum of positive squares in 2 ways, for example, as 28665316 + 3884841 = 5354^2 + 1971^2 .

It is a cyclic number.

It is not a de Polignac number, because 32550157 - 2¹⁹ = 32025869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32554157) 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 3 ways as a sum of consecutive naturals, for example, 7894 + ... + 11287.

It is an arithmetic number, because the mean of its divisors is an integer number (8142759).

Almost surely, 2^32550157 is an apocalyptic number.

It is an amenable number.

32550157 is a deficient number, since it is larger than the sum of its proper divisors (20879).

32550157 is a wasteful number, since it uses less digits than its factorization.

32550157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20878.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 32550157 is about 5705.2744894527. The cubic root of 32550157 is about 319.2892983922.

The spelling of 32550157 in words is "thirty-two million, five hundred fifty thousand, one hundred fifty-seven".