54143421553 has 8 divisors (see below), whose sum is σ = 58467183488. Its totient is φ = 49842357264.

The previous prime is 54143421547. The next prime is 54143421569. The reversal of 54143421553 is 35512434145.

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

It is a cyclic number.

It is not a de Polignac number, because 54143421553 - 2²¹ = 54141324401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54143421583) 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 7 ways as a sum of consecutive naturals, for example, 5669451 + ... + 5678992.

It is an arithmetic number, because the mean of its divisors is an integer number (7308397936).

Almost surely, 2^54143421553 is an apocalyptic number.

It is an amenable number.

54143421553 is a deficient number, since it is larger than the sum of its proper divisors (4323761935).

54143421553 is a wasteful number, since it uses less digits than its factorization.

54143421553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11348823.

The product of its digits is 144000, while the sum is 37.

Adding to 54143421553 its reverse (35512434145), we get a palindrome (89655855698).

The spelling of 54143421553 in words is "fifty-four billion, one hundred forty-three million, four hundred twenty-one thousand, five hundred fifty-three".