52543155 has 32 divisors (see below), whose sum is σ = 100260864. Its totient is φ = 22974336.

The previous prime is 52543121. The next prime is 52543159. The reversal of 52543155 is 55134525.

It is a happy number.

It is not a de Polignac number, because 52543155 - 2¹⁰ = 52542131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52543159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8464 + ... + 13293.

It is an arithmetic number, because the mean of its divisors is an integer number (3133152).

Almost surely, 2^52543155 is an apocalyptic number.

52543155 is a deficient number, since it is larger than the sum of its proper divisors (47717709).

52543155 is a wasteful number, since it uses less digits than its factorization.

52543155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21795.

The product of its digits is 15000, while the sum is 30.

The square root of 52543155 is about 7248.6657392930. The cubic root of 52543155 is about 374.5461888137.

The spelling of 52543155 in words is "fifty-two million, five hundred forty-three thousand, one hundred fifty-five".