52140105 has 40 divisors (see below), whose sum is σ = 98977032. Its totient is φ = 26168832.

The previous prime is 52140097. The next prime is 52140131. The reversal of 52140105 is 50104125.

52140105 is a `hidden beast` number, since 521 + 40 + 105 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 28869129 + 23270976 = 5373^2 + 4824^2 .

It is not a de Polignac number, because 52140105 - 2³ = 52140097 is a prime.

It is a super-2 number, since 2×52140105² = 5437181098822050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3099 + ... + 10671.

Almost surely, 2^52140105 is an apocalyptic number.

It is an amenable number.

52140105 is a deficient number, since it is larger than the sum of its proper divisors (46836927).

52140105 is a wasteful number, since it uses less digits than its factorization.

52140105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7607 (or 7598 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 52140105 is about 7220.8105500698. The cubic root of 52140105 is about 373.5860352440.

The spelling of 52140105 in words is "fifty-two million, one hundred forty thousand, one hundred five".