55566275624 has 64 divisors (see below), whose sum is σ = 110146798080. Its totient is φ = 26238240000.

The previous prime is 55566275623. The next prime is 55566275627. The reversal of 55566275624 is 42657266555.

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

It is a super-2 number, since 2×55566275624² (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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20270894 + ... + 20273634.

It is an arithmetic number, because the mean of its divisors is an integer number (1721043720).

Almost surely, 2^55566275624 is an apocalyptic number.

It is an amenable number.

55566275624 is a deficient number, since it is larger than the sum of its proper divisors (54580522456).

55566275624 is a wasteful number, since it uses less digits than its factorization.

55566275624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4722 (or 4718 counting only the distinct ones).

The product of its digits is 15120000, while the sum is 53.

The spelling of 55566275624 in words is "fifty-five billion, five hundred sixty-six million, two hundred seventy-five thousand, six hundred twenty-four".