50664062550 has 48 divisors (see below), whose sum is σ = 125728359120. Its totient is φ = 13501655040.

The previous prime is 50664062509. The next prime is 50664062597. The reversal of 50664062550 is 5526046605.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 50664062499 and 50664062508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124206 + ... + 341694.

It is an arithmetic number, because the mean of its divisors is an integer number (2619340815).

Almost surely, 2^50664062550 is an apocalyptic number.

50664062550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50664062550 is an abundant number, since it is smaller than the sum of its proper divisors (75064296570).

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

50664062550 is a wasteful number, since it uses less digits than its factorization.

50664062550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219057 (or 219052 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 50664062550 in words is "fifty billion, six hundred sixty-four million, sixty-two thousand, five hundred fifty".