50551542550 has 48 divisors (see below), whose sum is σ = 99927354240. Its totient is φ = 18960335360.

The previous prime is 50551542539. The next prime is 50551542553. The reversal of 50551542550 is 5524515505.

50551542550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50551542553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118107 + ... + 339193.

It is an arithmetic number, because the mean of its divisors is an integer number (2081819880).

Almost surely, 2^50551542550 is an apocalyptic number.

50551542550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50551542550 is a deficient number, since it is larger than the sum of its proper divisors (49375811690).

50551542550 is a wasteful number, since it uses less digits than its factorization.

50551542550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221385 (or 221380 counting only the distinct ones).

The product of its (nonzero) digits is 125000, while the sum is 37.

The spelling of 50551542550 in words is "fifty billion, five hundred fifty-one million, five hundred forty-two thousand, five hundred fifty".