50555500 has 24 divisors (see below), whose sum is σ = 110414304. Its totient is φ = 20222000.

The previous prime is 50555489. The next prime is 50555509. The reversal of 50555500 is 555505.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (50555509) 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, 50056 + ... + 51055.

It is an arithmetic number, because the mean of its divisors is an integer number (4600596).

Almost surely, 2^50555500 is an apocalyptic number.

50555500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50555500 is an abundant number, since it is smaller than the sum of its proper divisors (59858804).

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

50555500 is a wasteful number, since it uses less digits than its factorization.

50555500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101130 (or 101118 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 25.

The square root of 50555500 is about 7110.2390958392. The cubic root of 50555500 is about 369.7624479548.

The spelling of 50555500 in words is "fifty million, five hundred fifty-five thousand, five hundred".