52071772 has 12 divisors (see below), whose sum is σ = 91518336. Its totient is φ = 25923680.

The previous prime is 52071751. The next prime is 52071787. The reversal of 52071772 is 27717025.

52071772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×52071772² = 5422938878439968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 27004 + ... + 28867.

It is an arithmetic number, because the mean of its divisors is an integer number (7626528).

Almost surely, 2^52071772 is an apocalyptic number.

It is an amenable number.

52071772 is a deficient number, since it is larger than the sum of its proper divisors (39446564).

52071772 is a wasteful number, since it uses less digits than its factorization.

52071772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56108 (or 56106 counting only the distinct ones).

The product of its (nonzero) digits is 6860, while the sum is 31.

The square root of 52071772 is about 7216.0773277453. The cubic root of 52071772 is about 373.4227609607.

Adding to 52071772 its reverse (27717025), we get a palindrome (79788797).

The spelling of 52071772 in words is "fifty-two million, seventy-one thousand, seven hundred seventy-two".