50555505 has 144 divisors (see below), whose sum is σ = 114156864. Its totient is φ = 18869760.

The previous prime is 50555489. The next prime is 50555509.

50555505 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 50555505 - 2⁴ = 50555489 is a prime.

It is a Curzon number.

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 143 ways as a sum of consecutive naturals, for example, 1366347 + ... + 1366383.

It is an arithmetic number, because the mean of its divisors is an integer number (792756).

Almost surely, 2^50555505 is an apocalyptic number.

50555505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50555505 is an abundant number, since it is smaller than the sum of its proper divisors (63601359).

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

50555505 is a wasteful number, since it uses less digits than its factorization.

50555505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 30.

The square root of 50555505 is about 7110.2394474448. The cubic root of 50555505 is about 369.7624601448.

It can be divided in two parts, 50 and 555505, that added together give a palindrome (555555).

The spelling of 50555505 in words is "fifty million, five hundred fifty-five thousand, five hundred five".