52781152 has 12 divisors (see below), whose sum is σ = 103912956. Its totient is φ = 26390560.

The previous prime is 52781149. The next prime is 52781153. The reversal of 52781152 is 25118725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52781153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 824674 + ... + 824737.

It is an arithmetic number, because the mean of its divisors is an integer number (8659413).

Almost surely, 2^52781152 is an apocalyptic number.

It is an amenable number.

52781152 is a deficient number, since it is larger than the sum of its proper divisors (51131804).

52781152 is a wasteful number, since it uses less digits than its factorization.

52781152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649421 (or 1649413 counting only the distinct ones).

The product of its digits is 5600, while the sum is 31.

The square root of 52781152 is about 7265.0637987563. The cubic root of 52781152 is about 375.1108460467.

Adding to 52781152 its reverse (25118725), we get a palindrome (77899877).

The spelling of 52781152 in words is "fifty-two million, seven hundred eighty-one thousand, one hundred fifty-two".