50742620550 has 72 divisors (see below), whose sum is σ = 136565477256. Its totient is φ = 13507845120.

The previous prime is 50742620521. The next prime is 50742620567. The reversal of 50742620550 is 5502624705.

50742620550 is a `hidden beast` number, since 5 + 0 + 7 + 42 + 62 + 0 + 550 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 161937 + ... + 357363.

Almost surely, 2^50742620550 is an apocalyptic number.

50742620550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 50742620550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68282738628).

50742620550 is an abundant number, since it is smaller than the sum of its proper divisors (85822856706).

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

50742620550 is a wasteful number, since it uses less digits than its factorization.

50742620550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196022 (or 196014 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The spelling of 50742620550 in words is "fifty billion, seven hundred forty-two million, six hundred twenty thousand, five hundred fifty".