52756155 has 24 divisors (see below), whose sum is σ = 92947920. Its totient is φ = 27673920.

The previous prime is 52756073. The next prime is 52756157. The reversal of 52756155 is 55165725.

It is a happy number.

It is not a de Polignac number, because 52756155 - 2¹² = 52752059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52756157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6865 + ... + 12354.

It is an arithmetic number, because the mean of its divisors is an integer number (3872830).

Almost surely, 2^52756155 is an apocalyptic number.

52756155 is a deficient number, since it is larger than the sum of its proper divisors (40191765).

52756155 is a wasteful number, since it uses less digits than its factorization.

52756155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19291 (or 19288 counting only the distinct ones).

The product of its digits is 52500, while the sum is 36.

The square root of 52756155 is about 7263.3432384818. The cubic root of 52756155 is about 375.0516195608.

The spelling of 52756155 in words is "fifty-two million, seven hundred fifty-six thousand, one hundred fifty-five".