53540221473061 has 32 divisors (see below), whose sum is σ = 61169515200000. Its totient is φ = 46549238787072.

The previous prime is 53540221473059. The next prime is 53540221473113. The reversal of 53540221473061 is 16037412204535.

It is a cyclic number.

It is not a de Polignac number, because 53540221473061 - 2¹ = 53540221473059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53540221472999 and 53540221473017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53540221479061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2471686 + ... + 10639063.

It is an arithmetic number, because the mean of its divisors is an integer number (1911547350000).

Almost surely, 2^{53540221473061} is an apocalyptic number.

It is an amenable number.

53540221473061 is a deficient number, since it is larger than the sum of its proper divisors (7629293726939).

53540221473061 is a wasteful number, since it uses less digits than its factorization.

53540221473061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13111101.

The product of its (nonzero) digits is 604800, while the sum is 43.

Adding to 53540221473061 its reverse (16037412204535), we get a palindrome (69577633677596).

The spelling of 53540221473061 in words is "fifty-three trillion, five hundred forty billion, two hundred twenty-one million, four hundred seventy-three thousand, sixty-one".