52312149 has 30 divisors (see below), whose sum is σ = 82520790. Its totient is φ = 33020784.

The previous prime is 52312133. The next prime is 52312151. The reversal of 52312149 is 94121325.

52312149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 51581124 + 731025 = 7182^2 + 855^2 .

It is not a de Polignac number, because 52312149 - 2⁴ = 52312133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52312109) 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 29 ways as a sum of consecutive naturals, for example, 28347 + ... + 30135.

It is an arithmetic number, because the mean of its divisors is an integer number (2750693).

Almost surely, 2^52312149 is an apocalyptic number.

It is an amenable number.

52312149 is a deficient number, since it is larger than the sum of its proper divisors (30208641).

52312149 is a wasteful number, since it uses less digits than its factorization.

52312149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839 (or 1811 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 52312149 is about 7232.7138060344. The cubic root of 52312149 is about 373.9964849489.

The spelling of 52312149 in words is "fifty-two million, three hundred twelve thousand, one hundred forty-nine".