52126389 has 32 divisors (see below), whose sum is σ = 88608000. Its totient is φ = 29668032.

The previous prime is 52126387. The next prime is 52126409. The reversal of 52126389 is 98362125.

52126389 is a `hidden beast` number, since 5 + 2 + 12 + 638 + 9 = 666.

It is not a de Polignac number, because 52126389 - 2¹ = 52126387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52126381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73167 + ... + 73875.

It is an arithmetic number, because the mean of its divisors is an integer number (2769000).

Almost surely, 2^52126389 is an apocalyptic number.

It is an amenable number.

52126389 is a deficient number, since it is larger than the sum of its proper divisors (36481611).

52126389 is a wasteful number, since it uses less digits than its factorization.

52126389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114 (or 1108 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 52126389 is about 7219.8607327289. The cubic root of 52126389 is about 373.5532737997.

The spelling of 52126389 in words is "fifty-two million, one hundred twenty-six thousand, three hundred eighty-nine".