52155311 has 16 divisors (see below), whose sum is σ = 59690400. Its totient is φ = 45214848.

The previous prime is 52155307. The next prime is 52155319. The reversal of 52155311 is 11355125.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 52155311 - 2² = 52155307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52155319) 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 15 ways as a sum of consecutive naturals, for example, 12080 + ... + 15818.

It is an arithmetic number, because the mean of its divisors is an integer number (3730650).

Almost surely, 2^52155311 is an apocalyptic number.

52155311 is a deficient number, since it is larger than the sum of its proper divisors (7535089).

52155311 is a wasteful number, since it uses less digits than its factorization.

52155311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3818.

The product of its digits is 750, while the sum is 23.

The square root of 52155311 is about 7221.8634021975. The cubic root of 52155311 is about 373.6223489230.

The spelling of 52155311 in words is "fifty-two million, one hundred fifty-five thousand, three hundred eleven".