52555145 has 8 divisors (see below), whose sum is σ = 63864960. Its totient is φ = 41511600.

The previous prime is 52555103. The next prime is 52555147. The reversal of 52555145 is 54155525.

52555145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 52555145 - 2¹² = 52551049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52555147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66131 + ... + 66920.

It is an arithmetic number, because the mean of its divisors is an integer number (7983120).

Almost surely, 2^52555145 is an apocalyptic number.

It is an amenable number.

52555145 is a deficient number, since it is larger than the sum of its proper divisors (11309815).

52555145 is a wasteful number, since it uses less digits than its factorization.

52555145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133135.

The product of its digits is 25000, while the sum is 32.

The square root of 52555145 is about 7249.4927408750. The cubic root of 52555145 is about 374.5746763002.

The spelling of 52555145 in words is "fifty-two million, five hundred fifty-five thousand, one hundred forty-five".