54113400450020 has 48 divisors (see below), whose sum is σ = 113666487459840. Its totient is φ = 21639961639296.

The previous prime is 54113400450007. The next prime is 54113400450089. The reversal of 54113400450020 is 2005400431145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1774601894 + ... + 1774632386.

It is an arithmetic number, because the mean of its divisors is an integer number (2368051822080).

Almost surely, 2^{54113400450020} is an apocalyptic number.

It is an amenable number.

54113400450020 is an abundant number, since it is smaller than the sum of its proper divisors (59553087009820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54113400450020 is a wasteful number, since it uses less digits than its factorization.

54113400450020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49724 (or 49722 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 54113400450020 its reverse (2005400431145), we get a palindrome (56118800881165).

The spelling of 54113400450020 in words is "fifty-four trillion, one hundred thirteen billion, four hundred million, four hundred fifty thousand, twenty".