55396821296 has 20 divisors (see below), whose sum is σ = 107587515000. Its totient is φ = 27632301312.

The previous prime is 55396821253. The next prime is 55396821307. The reversal of 55396821296 is 69212869355.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4124921 + ... + 4138328.

It is an arithmetic number, because the mean of its divisors is an integer number (5379375750).

Almost surely, 2^55396821296 is an apocalyptic number.

It is an amenable number.

55396821296 is a deficient number, since it is larger than the sum of its proper divisors (52190693704).

55396821296 is a wasteful number, since it uses less digits than its factorization.

55396821296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8263676 (or 8263670 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 56.

The spelling of 55396821296 in words is "fifty-five billion, three hundred ninety-six million, eight hundred twenty-one thousand, two hundred ninety-six".