55501000050 has 48 divisors (see below), whose sum is σ = 137812920480. Its totient is φ = 14781939840.

The previous prime is 55501000043. The next prime is 55501000091. The reversal of 55501000050 is 5000010555.

55501000050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55501000050² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55500999990 and 55501000026.

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, 107332 + ... + 350031.

It is an arithmetic number, because the mean of its divisors is an integer number (2871102510).

Almost surely, 2^55501000050 is an apocalyptic number.

55501000050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55501000050 is an abundant number, since it is smaller than the sum of its proper divisors (82311920430).

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

55501000050 is a wasteful number, since it uses less digits than its factorization.

55501000050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458187 (or 458182 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 21.

It can be divided in two parts, 55 and 501000050, that added together give a palindrome (501000105).

The spelling of 55501000050 in words is "fifty-five billion, five hundred one million, fifty", and thus it is an aban number.