50540550 has 48 divisors (see below), whose sum is σ = 125831232. Its totient is φ = 13424800.

The previous prime is 50540549. The next prime is 50540561. The reversal of 50540550 is 5504505.

It is a self number, because there is not a number n which added to its sum of digits gives 50540550.

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, 51565 + ... + 52535.

It is an arithmetic number, because the mean of its divisors is an integer number (2621484).

Almost surely, 2^50540550 is an apocalyptic number.

50540550 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 50540550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62915616).

50540550 is an abundant number, since it is smaller than the sum of its proper divisors (75290682).

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

50540550 is a wasteful number, since it uses less digits than its factorization.

50540550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333 (or 1328 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 24.

The square root of 50540550 is about 7109.1877173134. The cubic root of 50540550 is about 369.7259963087.

The spelling of 50540550 in words is "fifty million, five hundred forty thousand, five hundred fifty".