52252155 has 32 divisors (see below), whose sum is σ = 93280320. Its totient is φ = 27751680.

The previous prime is 52252153. The next prime is 52252183. The reversal of 52252155 is 55125225.

It is not a de Polignac number, because 52252155 - 2¹ = 52252153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (52252153) 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 31 ways as a sum of consecutive naturals, for example, 38895 + ... + 40215.

It is an arithmetic number, because the mean of its divisors is an integer number (2915010).

Almost surely, 2^52252155 is an apocalyptic number.

52252155 is a deficient number, since it is larger than the sum of its proper divisors (41028165).

52252155 is a wasteful number, since it uses less digits than its factorization.

52252155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628 (or 1622 counting only the distinct ones).

The product of its digits is 5000, while the sum is 27.

The square root of 52252155 is about 7228.5652103305. The cubic root of 52252155 is about 373.8534580836.

The spelling of 52252155 in words is "fifty-two million, two hundred fifty-two thousand, one hundred fifty-five".