52240887 has 6 divisors (see below), whose sum is σ = 75459072. Its totient is φ = 34827252.

The previous prime is 52240873. The next prime is 52240891. The reversal of 52240887 is 78804225.

It is a happy number.

It is not a de Polignac number, because 52240887 - 2⁴ = 52240871 is a prime.

It is a super-2 number, since 2×52240887² = 5458220549093538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52240897) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2902263 + ... + 2902280.

It is an arithmetic number, because the mean of its divisors is an integer number (12576512).

Almost surely, 2^52240887 is an apocalyptic number.

52240887 is a deficient number, since it is larger than the sum of its proper divisors (23218185).

52240887 is a wasteful number, since it uses less digits than its factorization.

52240887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5804549 (or 5804546 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 52240887 is about 7227.7857605217. The cubic root of 52240887 is about 373.8265827416.

The spelling of 52240887 in words is "fifty-two million, two hundred forty thousand, eight hundred eighty-seven".