52320155 has 8 divisors (see below), whose sum is σ = 62865072. Its totient is φ = 41802208.

The previous prime is 52320139. The next prime is 52320161. The reversal of 52320155 is 55102325.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52320155 - 2⁴ = 52320139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52320155.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2192 + ... + 10461.

It is an arithmetic number, because the mean of its divisors is an integer number (7858134).

Almost surely, 2^52320155 is an apocalyptic number.

52320155 is a deficient number, since it is larger than the sum of its proper divisors (10544917).

52320155 is a wasteful number, since it uses less digits than its factorization.

52320155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13485.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 52320155 is about 7233.2672424016. The cubic root of 52320155 is about 374.0155631374.

The spelling of 52320155 in words is "fifty-two million, three hundred twenty thousand, one hundred fifty-five".