55156364453323 has 4 divisors (see below), whose sum is σ = 63035845089520. Its totient is φ = 47276883817128.

The previous prime is 55156364453303. The next prime is 55156364453353. The reversal of 55156364453323 is 32335446365155.

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

It is not a de Polignac number, because 55156364453323 - 2²¹ = 55156362356171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55156364453303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3939740318088 + ... + 3939740318101.

It is an arithmetic number, because the mean of its divisors is an integer number (15758961272380).

Almost surely, 2^{55156364453323} is an apocalyptic number.

55156364453323 is a deficient number, since it is larger than the sum of its proper divisors (7879480636197).

55156364453323 is an equidigital number, since it uses as much as digits as its factorization.

55156364453323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7879480636196.

The product of its digits is 58320000, while the sum is 55.

The spelling of 55156364453323 in words is "fifty-five trillion, one hundred fifty-six billion, three hundred sixty-four million, four hundred fifty-three thousand, three hundred twenty-three".