52155784 has 16 divisors (see below), whose sum is σ = 97909020. Its totient is φ = 26046720.

The previous prime is 52155781. The next prime is 52155787. The reversal of 52155784 is 48755125.

52155784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52155781) and next prime (52155787).

It can be written as a sum of positive squares in 2 ways, for example, as 51696100 + 459684 = 7190^2 + 678^2 .

It is not an unprimeable number, because it can be changed into a prime (52155781) 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 3 ways as a sum of consecutive naturals, for example, 4204 + ... + 11044.

Almost surely, 2^52155784 is an apocalyptic number.

It is an amenable number.

52155784 is a deficient number, since it is larger than the sum of its proper divisors (45753236).

52155784 is a wasteful number, since it uses less digits than its factorization.

52155784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7800 (or 7796 counting only the distinct ones).

The product of its digits is 56000, while the sum is 37.

The square root of 52155784 is about 7221.8961499041. The cubic root of 52155784 is about 373.6234783882.

The spelling of 52155784 in words is "fifty-two million, one hundred fifty-five thousand, seven hundred eighty-four".