55273766387 has 8 divisors (see below), whose sum is σ = 63193020000. Its totient is φ = 47360263104.

The previous prime is 55273766341. The next prime is 55273766393. The reversal of 55273766387 is 78366737255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55273766387 - 2⁸ = 55273766131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55273766887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1416962 + ... + 1455447.

It is an arithmetic number, because the mean of its divisors is an integer number (7899127500).

Almost surely, 2^55273766387 is an apocalyptic number.

55273766387 is a deficient number, since it is larger than the sum of its proper divisors (7919253613).

55273766387 is a wasteful number, since it uses less digits than its factorization.

55273766387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2875165.

The product of its digits is 44452800, while the sum is 59.

The spelling of 55273766387 in words is "fifty-five billion, two hundred seventy-three million, seven hundred sixty-six thousand, three hundred eighty-seven".