54721065434 has 32 divisors (see below), whose sum is σ = 103644147456. Its totient is φ = 21112692480.

The previous prime is 54721065433. The next prime is 54721065473. The reversal of 54721065434 is 43456012745.

It is a junction number, because it is equal to n+sod(n) for n = 54721065391 and 54721065400.

It is not an unprimeable number, because it can be changed into a prime (54721065433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4992797 + ... + 5003744.

It is an arithmetic number, because the mean of its divisors is an integer number (3238879608).

Almost surely, 2^54721065434 is an apocalyptic number.

54721065434 is a deficient number, since it is larger than the sum of its proper divisors (48923082022).

54721065434 is a wasteful number, since it uses less digits than its factorization.

54721065434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9996590.

The product of its (nonzero) digits is 403200, while the sum is 41.

The spelling of 54721065434 in words is "fifty-four billion, seven hundred twenty-one million, sixty-five thousand, four hundred thirty-four".