50551323504 has 80 divisors (see below), whose sum is σ = 142503974400. Its totient is φ = 15314158080.

The previous prime is 50551323503. The next prime is 50551323517. The reversal of 50551323504 is 40532315505.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50551323503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2130297 + ... + 2153895.

It is an arithmetic number, because the mean of its divisors is an integer number (1781299680).

Almost surely, 2^50551323504 is an apocalyptic number.

It is an amenable number.

50551323504 is an abundant number, since it is smaller than the sum of its proper divisors (91952650896).

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

50551323504 is a wasteful number, since it uses less digits than its factorization.

50551323504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27678 (or 27672 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 33.

The spelling of 50551323504 in words is "fifty billion, five hundred fifty-one million, three hundred twenty-three thousand, five hundred four".