52031786 has 4 divisors (see below), whose sum is σ = 78047682. Its totient is φ = 26015892.

The previous prime is 52031783. The next prime is 52031801. The reversal of 52031786 is 68713025.

It is a happy number.

52031786 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 32273761 + 19758025 = 5681^2 + 4445^2 .

It is not an unprimeable number, because it can be changed into a prime (52031783) 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 as a sum of consecutive naturals, namely, 13007945 + ... + 13007948.

Almost surely, 2^52031786 is an apocalyptic number.

52031786 is a deficient number, since it is larger than the sum of its proper divisors (26015896).

52031786 is a wasteful number, since it uses less digits than its factorization.

52031786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26015895.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 52031786 is about 7213.3061767819. The cubic root of 52031786 is about 373.3271524983.

The spelling of 52031786 in words is "fifty-two million, thirty-one thousand, seven hundred eighty-six".