50530525550 has 12 divisors (see below), whose sum is σ = 93986777616. Its totient is φ = 20212210200.

The previous prime is 50530525537. The next prime is 50530525559. The reversal of 50530525550 is 5552503505.

It is a self number, because there is not a number n which added to its sum of digits gives 50530525550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50530525559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 505305206 + ... + 505305305.

It is an arithmetic number, because the mean of its divisors is an integer number (7832231468).

Almost surely, 2^50530525550 is an apocalyptic number.

50530525550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50530525550 is a deficient number, since it is larger than the sum of its proper divisors (43456252066).

50530525550 is a wasteful number, since it uses less digits than its factorization.

50530525550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010610523 (or 1010610518 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 35.

The spelling of 50530525550 in words is "fifty billion, five hundred thirty million, five hundred twenty-five thousand, five hundred fifty".