555549561050 has 24 divisors (see below), whose sum is σ = 1127260564992. Its totient is φ = 202018022000.

The previous prime is 555549560999. The next prime is 555549561053. The reversal of 555549561050 is 50165945555.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a self number, because there is not a number n which added to its sum of digits gives 555549561050.

It is not an unprimeable number, because it can be changed into a prime (555549561053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 505044506 + ... + 505045605.

It is an arithmetic number, because the mean of its divisors is an integer number (46969190208).

Almost surely, 2^555549561050 is an apocalyptic number.

555549561050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

555549561050 is an abundant number, since it is smaller than the sum of its proper divisors (571711003942).

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

555549561050 is a wasteful number, since it uses less digits than its factorization.

555549561050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010090134 (or 1010090129 counting only the distinct ones).

The product of its (nonzero) digits is 3375000, while the sum is 50.

The spelling of 555549561050 in words is "five hundred fifty-five billion, five hundred forty-nine million, five hundred sixty-one thousand, fifty".