50555238 has 16 divisors (see below), whose sum is σ = 106432320. Its totient is φ = 15964776.

The previous prime is 50555237. The next prime is 50555243. The reversal of 50555238 is 83255505.

It is a junction number, because it is equal to n+sod(n) for n = 50555199 and 50555208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50555231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221620 + ... + 221847.

It is an arithmetic number, because the mean of its divisors is an integer number (6652020).

Almost surely, 2^50555238 is an apocalyptic number.

50555238 is an abundant number, since it is smaller than the sum of its proper divisors (55877082).

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

50555238 is a wasteful number, since it uses less digits than its factorization.

50555238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443491.

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 50555238 is about 7110.2206716810. The cubic root of 50555238 is about 369.7618091985.

The spelling of 50555238 in words is "fifty million, five hundred fifty-five thousand, two hundred thirty-eight".