52121648632550 has 36 divisors (see below), whose sum is σ = 112774228332300. Its totient is φ = 17870279530320.

The previous prime is 52121648632507. The next prime is 52121648632553. The reversal of 52121648632550 is 5523684612125.

52121648632550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52121648632553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10637068700 + ... + 10637073599.

It is an arithmetic number, because the mean of its divisors is an integer number (3132617453675).

Almost surely, 2^{52121648632550} is an apocalyptic number.

52121648632550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52121648632550 is an abundant number, since it is smaller than the sum of its proper divisors (60652579699750).

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

52121648632550 is a wasteful number, since it uses less digits than its factorization.

52121648632550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21274142325 (or 21274142313 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 50.

The spelling of 52121648632550 in words is "fifty-two trillion, one hundred twenty-one billion, six hundred forty-eight million, six hundred thirty-two thousand, five hundred fifty".