54768256381 has 4 divisors (see below), whose sum is σ = 54843591712. Its totient is φ = 54692921052.

The previous prime is 54768256379. The next prime is 54768256391. The reversal of 54768256381 is 18365286745.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54768256381 - 2¹ = 54768256379 is a prime.

It is a super-2 number, since 2×54768256381² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54768256391) by changing a digit.

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, 37666575 + ... + 37668028.

It is an arithmetic number, because the mean of its divisors is an integer number (13710897928).

Almost surely, 2^54768256381 is an apocalyptic number.

It is an amenable number.

54768256381 is a deficient number, since it is larger than the sum of its proper divisors (75335331).

54768256381 is an equidigital number, since it uses as much as digits as its factorization.

54768256381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75335330.

The product of its digits is 9676800, while the sum is 55.

The spelling of 54768256381 in words is "fifty-four billion, seven hundred sixty-eight million, two hundred fifty-six thousand, three hundred eighty-one".