55575275826 has 64 divisors (see below), whose sum is σ = 127953158400. Its totient is φ = 15763562496.

The previous prime is 55575275741. The next prime is 55575275827. The reversal of 55575275826 is 62857257555.

It is a happy number.

It is a super-2 number, since 2×55575275826² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55575275827) 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 31 ways as a sum of consecutive naturals, for example, 3386970 + ... + 3403338.

It is an arithmetic number, because the mean of its divisors is an integer number (1999268100).

Almost surely, 2^55575275826 is an apocalyptic number.

55575275826 is an abundant number, since it is smaller than the sum of its proper divisors (72377882574).

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

55575275826 is a wasteful number, since it uses less digits than its factorization.

55575275826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16963.

The product of its digits is 29400000, while the sum is 57.

The spelling of 55575275826 in words is "fifty-five billion, five hundred seventy-five million, two hundred seventy-five thousand, eight hundred twenty-six".