50511521050 has 48 divisors (see below), whose sum is σ = 94879608120. Its totient is φ = 20005263360.

The previous prime is 50511521029. The next prime is 50511521077. The reversal of 50511521050 is 5012511505.

It can be written as a sum of positive squares in 12 ways, for example, as 3655290681 + 46856230369 = 60459^2 + 216463^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

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 23 ways as a sum of consecutive naturals, for example, 11644482 + ... + 11648818.

Almost surely, 2^50511521050 is an apocalyptic number.

50511521050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50511521050 is a deficient number, since it is larger than the sum of its proper divisors (44368087070).

50511521050 is a wasteful number, since it uses less digits than its factorization.

50511521050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6595 (or 6590 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 25.

The spelling of 50511521050 in words is "fifty billion, five hundred eleven million, five hundred twenty-one thousand, fifty".