52661958 has 48 divisors (see below), whose sum is σ = 114062256. Its totient is φ = 16197120.

The previous prime is 52661951. The next prime is 52661969. The reversal of 52661958 is 85916625.

52661958 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52661951) 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 23 ways as a sum of consecutive naturals, for example, 88510 + ... + 89102.

It is an arithmetic number, because the mean of its divisors is an integer number (2376297).

Almost surely, 2^52661958 is an apocalyptic number.

52661958 is an abundant number, since it is smaller than the sum of its proper divisors (61400298).

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

52661958 is a wasteful number, since it uses less digits than its factorization.

52661958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677 (or 658 counting only the distinct ones).

The product of its digits is 129600, while the sum is 42.

The square root of 52661958 is about 7256.8559307733. The cubic root of 52661958 is about 374.8282662543.

The spelling of 52661958 in words is "fifty-two million, six hundred sixty-one thousand, nine hundred fifty-eight".