52006693478 has 16 divisors (see below), whose sum is σ = 81702176256. Its totient is φ = 24780979080.

The previous prime is 52006693411. The next prime is 52006693483. The reversal of 52006693478 is 87439660025.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2073476 + ... + 2098407.

It is an arithmetic number, because the mean of its divisors is an integer number (5106386016).

Almost surely, 2^52006693478 is an apocalyptic number.

52006693478 is a deficient number, since it is larger than the sum of its proper divisors (29695482778).

52006693478 is a wasteful number, since it uses less digits than its factorization.

52006693478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4172179.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 52006693478 in words is "fifty-two billion, six million, six hundred ninety-three thousand, four hundred seventy-eight".