55396821295 has 4 divisors (see below), whose sum is σ = 66476185560. Its totient is φ = 44317457032.

The previous prime is 55396821253. The next prime is 55396821307. The reversal of 55396821295 is 59212869355.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55396821295 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5539682125 + ... + 5539682134.

It is an arithmetic number, because the mean of its divisors is an integer number (16619046390).

Almost surely, 2^55396821295 is an apocalyptic number.

55396821295 is a deficient number, since it is larger than the sum of its proper divisors (11079364265).

55396821295 is a wasteful number, since it uses less digits than its factorization.

55396821295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11079364264.

The product of its digits is 5832000, while the sum is 55.

The spelling of 55396821295 in words is "fifty-five billion, three hundred ninety-six million, eight hundred twenty-one thousand, two hundred ninety-five".