54171540220053 has 4 divisors (see below), whose sum is σ = 72228720293408. Its totient is φ = 36114360146700.

The previous prime is 54171540220013. The next prime is 54171540220141. The reversal of 54171540220053 is 35002204517145.

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 not a de Polignac number, because 54171540220053 - 2⁹ = 54171540219541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54171540219993 and 54171540220020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54171540220003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9028590036673 + ... + 9028590036678.

It is an arithmetic number, because the mean of its divisors is an integer number (18057180073352).

Almost surely, 2^{54171540220053} is an apocalyptic number.

It is an amenable number.

54171540220053 is a deficient number, since it is larger than the sum of its proper divisors (18057180073355).

54171540220053 is a wasteful number, since it uses less digits than its factorization.

54171540220053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18057180073354.

The product of its (nonzero) digits is 168000, while the sum is 39.

Adding to 54171540220053 its reverse (35002204517145), we get a palindrome (89173744737198).

The spelling of 54171540220053 in words is "fifty-four trillion, one hundred seventy-one billion, five hundred forty million, two hundred twenty thousand, fifty-three".