52146428550 has 48 divisors (see below), whose sum is σ = 129345655872. Its totient is φ = 13903293600.

The previous prime is 52146428539. The next prime is 52146428603. The reversal of 52146428550 is 5582464125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 937005 + ... + 991095.

It is an arithmetic number, because the mean of its divisors is an integer number (2694701164).

Almost surely, 2^52146428550 is an apocalyptic number.

52146428550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52146428550 is an abundant number, since it is smaller than the sum of its proper divisors (77199227322).

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

52146428550 is a wasteful number, since it uses less digits than its factorization.

52146428550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60533 (or 60528 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 42.

The spelling of 52146428550 in words is "fifty-two billion, one hundred forty-six million, four hundred twenty-eight thousand, five hundred fifty".