52115331550 has 12 divisors (see below), whose sum is σ = 96934516776. Its totient is φ = 20846132600.

The previous prime is 52115331497. The next prime is 52115331589. The reversal of 52115331550 is 5513351125.

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 5 ways as a sum of consecutive naturals, for example, 521153266 + ... + 521153365.

It is an arithmetic number, because the mean of its divisors is an integer number (8077876398).

Almost surely, 2^52115331550 is an apocalyptic number.

52115331550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52115331550 is a deficient number, since it is larger than the sum of its proper divisors (44819185226).

52115331550 is a wasteful number, since it uses less digits than its factorization.

52115331550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042306643 (or 1042306638 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 31.

Adding to 52115331550 its reverse (5513351125), we get a palindrome (57628682675).

The spelling of 52115331550 in words is "fifty-two billion, one hundred fifteen million, three hundred thirty-one thousand, five hundred fifty".