52149091750 has 64 divisors (see below), whose sum is σ = 113140924416. Its totient is φ = 17627820000.

The previous prime is 52149091711. The next prime is 52149091807. The reversal of 52149091750 is 5719094125.

It is a junction number, because it is equal to n+sod(n) for n = 52149091697 and 52149091706.

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 31 ways as a sum of consecutive naturals, for example, 85606 + ... + 334105.

It is an arithmetic number, because the mean of its divisors is an integer number (1767826944).

Almost surely, 2^52149091750 is an apocalyptic number.

52149091750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52149091750 is an abundant number, since it is smaller than the sum of its proper divisors (60991832666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52149091750 is a wasteful number, since it uses less digits than its factorization.

52149091750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419806 (or 419796 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 43.

The spelling of 52149091750 in words is "fifty-two billion, one hundred forty-nine million, ninety-one thousand, seven hundred fifty".