50556146550 has 96 divisors (see below), whose sum is σ = 154312956672. Its totient is φ = 10666788480.

The previous prime is 50556146533. The next prime is 50556146621. The reversal of 50556146550 is 5564165505.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1838224 + ... + 1865523.

It is an arithmetic number, because the mean of its divisors is an integer number (1607426632).

Almost surely, 2^50556146550 is an apocalyptic number.

50556146550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50556146550 is an abundant number, since it is smaller than the sum of its proper divisors (103756810122).

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

50556146550 is a wasteful number, since it uses less digits than its factorization.

50556146550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3703782 (or 3703777 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 42.

The spelling of 50556146550 in words is "fifty billion, five hundred fifty-six million, one hundred forty-six thousand, five hundred fifty".