55566275626 has 4 divisors (see below), whose sum is σ = 83349413442. Its totient is φ = 27783137812.

The previous prime is 55566275623. The next prime is 55566275627. The reversal of 55566275626 is 62657266555.

It is a happy number.

It is a Cunningham number, because it is equal to 235725²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 55566275625 + 1 = 235725^2 + 1^2 .

It is a super-2 number, since 2×55566275626² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55566275623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13891568905 + ... + 13891568908.

Almost surely, 2^55566275626 is an apocalyptic number.

55566275626 is a deficient number, since it is larger than the sum of its proper divisors (27783137816).

55566275626 is a wasteful number, since it uses less digits than its factorization.

55566275626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27783137815.

The product of its digits is 22680000, while the sum is 55.

The spelling of 55566275626 in words is "fifty-five billion, five hundred sixty-six million, two hundred seventy-five thousand, six hundred twenty-six".