52101018 has 24 divisors (see below), whose sum is σ = 116528256. Its totient is φ = 16806600.

The previous prime is 52101017. The next prime is 52101083. The reversal of 52101018 is 81010125.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (52101017) 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 11 ways as a sum of consecutive naturals, for example, 46128 + ... + 47243.

It is an arithmetic number, because the mean of its divisors is an integer number (4855344).

Almost surely, 2^52101018 is an apocalyptic number.

52101018 is an abundant number, since it is smaller than the sum of its proper divisors (64427238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52101018 is a wasteful number, since it uses less digits than its factorization.

52101018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93410 (or 93407 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 52101018 is about 7218.1034905299. The cubic root of 52101018 is about 373.4926585763.

The spelling of 52101018 in words is "fifty-two million, one hundred one thousand, eighteen".