54345134421 has 48 divisors (see below), whose sum is σ = 83850721344. Its totient is φ = 33798615552.

The previous prime is 54345134411. The next prime is 54345134453. The reversal of 54345134421 is 12443154345.

54345134421 is a `hidden beast` number, since 54 + 34 + 513 + 44 + 21 = 666.

It is not a de Polignac number, because 54345134421 - 2¹⁵ = 54345101653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54345134401) 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 47 ways as a sum of consecutive naturals, for example, 10638750 + ... + 10643856.

It is an arithmetic number, because the mean of its divisors is an integer number (1746890028).

Almost surely, 2^54345134421 is an apocalyptic number.

54345134421 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

54345134421 is a deficient number, since it is larger than the sum of its proper divisors (29505586923).

54345134421 is a wasteful number, since it uses less digits than its factorization.

54345134421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5730 (or 5727 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

Adding to 54345134421 its reverse (12443154345), we get a palindrome (66788288766).

The spelling of 54345134421 in words is "fifty-four billion, three hundred forty-five million, one hundred thirty-four thousand, four hundred twenty-one".