52603991 has 8 divisors (see below), whose sum is σ = 57446400. Its totient is φ = 47771640.

The previous prime is 52603979. The next prime is 52604017. The reversal of 52603991 is 19930625.

52603991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52603991 - 2⁶ = 52603927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52603091) 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 7 ways as a sum of consecutive naturals, for example, 12200 + ... + 15938.

It is an arithmetic number, because the mean of its divisors is an integer number (7180800).

Almost surely, 2^52603991 is an apocalyptic number.

52603991 is a deficient number, since it is larger than the sum of its proper divisors (4842409).

52603991 is a wasteful number, since it uses less digits than its factorization.

52603991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5029.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 52603991 is about 7252.8608838168. The cubic root of 52603991 is about 374.6906865670.

The spelling of 52603991 in words is "fifty-two million, six hundred three thousand, nine hundred ninety-one".