52139026 has 8 divisors (see below), whose sum is σ = 78249600. Its totient is φ = 26055828.

The previous prime is 52139011. The next prime is 52139029. The reversal of 52139026 is 62093125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 52138985 and 52139003.

It is not an unprimeable number, because it can be changed into a prime (52139029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1126 + ... + 10273.

It is an arithmetic number, because the mean of its divisors is an integer number (9781200).

Almost surely, 2^52139026 is an apocalyptic number.

52139026 is a deficient number, since it is larger than the sum of its proper divisors (26110574).

52139026 is a wasteful number, since it uses less digits than its factorization.

52139026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13688.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 52139026 is about 7220.7358350794. The cubic root of 52139026 is about 373.5834581995.

The spelling of 52139026 in words is "fifty-two million, one hundred thirty-nine thousand, twenty-six".