52268140 has 24 divisors (see below), whose sum is σ = 110077632. Its totient is φ = 20847360.

The previous prime is 52268113. The next prime is 52268147. The reversal of 52268140 is 4186225.

52268140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 52268099 and 52268108.

It is not an unprimeable number, because it can be changed into a prime (52268147) 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, 3780 + ... + 10900.

It is an arithmetic number, because the mean of its divisors is an integer number (4586568).

Almost surely, 2^52268140 is an apocalyptic number.

It is an amenable number.

52268140 is an abundant number, since it is smaller than the sum of its proper divisors (57809492).

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

52268140 is a wasteful number, since it uses less digits than its factorization.

52268140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7497 (or 7495 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 52268140 is about 7229.6708085500. The cubic root of 52268140 is about 373.8915773295.

It can be divided in two parts, 5226 and 8140, that added together give a triangular number (13366 = T₁₆₃).

The spelling of 52268140 in words is "fifty-two million, two hundred sixty-eight thousand, one hundred forty".