52120137982 has 24 divisors (see below), whose sum is σ = 87762009888. Its totient is φ = 23186903520.

The previous prime is 52120137947. The next prime is 52120137991. The reversal of 52120137982 is 28973102125.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2279823 + ... + 2302570.

It is an arithmetic number, because the mean of its divisors is an integer number (3656750412).

Almost surely, 2^52120137982 is an apocalyptic number.

52120137982 is a deficient number, since it is larger than the sum of its proper divisors (35641871906).

52120137982 is a wasteful number, since it uses less digits than its factorization.

52120137982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4582464 (or 4582453 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 52120137982 in words is "fifty-two billion, one hundred twenty million, one hundred thirty-seven thousand, nine hundred eighty-two".