52140106 has 4 divisors (see below), whose sum is σ = 78210162. Its totient is φ = 26070052.

The previous prime is 52140097. The next prime is 52140131. The reversal of 52140106 is 60104125.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 44102881 + 8037225 = 6641^2 + 2835^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13035025 + ... + 13035028.

Almost surely, 2^52140106 is an apocalyptic number.

52140106 is a deficient number, since it is larger than the sum of its proper divisors (26070056).

52140106 is a wasteful number, since it uses less digits than its factorization.

52140106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26070055.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 52140106 is about 7220.8106193142. The cubic root of 52140106 is about 373.5860376323.

The spelling of 52140106 in words is "fifty-two million, one hundred forty thousand, one hundred six".