55500050550 has 96 divisors (see below), whose sum is σ = 160961340672. Its totient is φ = 12390698880.

The previous prime is 55500050549. The next prime is 55500050561. The reversal of 55500050550 is 5505000555.

55500050550 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 2×55500050550² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 569469 + ... + 659768.

It is an arithmetic number, because the mean of its divisors is an integer number (1676680632).

Almost surely, 2^55500050550 is an apocalyptic number.

55500050550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55500050550 is an abundant number, since it is smaller than the sum of its proper divisors (105461290122).

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

55500050550 is a wasteful number, since it uses less digits than its factorization.

55500050550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229302 (or 1229297 counting only the distinct ones).

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

It can be divided in two parts, 555000505 and 50, that added together give a palindrome (555000555).

The spelling of 55500050550 in words is "fifty-five billion, five hundred million, fifty thousand, five hundred fifty".