54156122551340 has 12 divisors (see below), whose sum is σ = 113727857357856. Its totient is φ = 21662449020528.

The previous prime is 54156122551283. The next prime is 54156122551367. The reversal of 54156122551340 is 4315522165145.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 54156122551291 and 54156122551300.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1353903063764 + ... + 1353903063803.

It is an arithmetic number, because the mean of its divisors is an integer number (9477321446488).

Almost surely, 2^{54156122551340} is an apocalyptic number.

It is an amenable number.

54156122551340 is an abundant number, since it is smaller than the sum of its proper divisors (59571734806516).

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

54156122551340 is a wasteful number, since it uses less digits than its factorization.

54156122551340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2707806127576 (or 2707806127574 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 44.

The spelling of 54156122551340 in words is "fifty-four trillion, one hundred fifty-six billion, one hundred twenty-two million, five hundred fifty-one thousand, three hundred forty".