54356215144 has 64 divisors (see below), whose sum is σ = 128376581760. Its totient is φ = 20959395840.

The previous prime is 54356215139. The next prime is 54356215171. The reversal of 54356215144 is 44151265345.

It is a junction number, because it is equal to n+sod(n) for n = 54356215097 and 54356215106.

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, 395097 + ... + 514600.

It is an arithmetic number, because the mean of its divisors is an integer number (2005884090).

Almost surely, 2^54356215144 is an apocalyptic number.

It is an amenable number.

54356215144 is an abundant number, since it is smaller than the sum of its proper divisors (74020366616).

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

54356215144 is a wasteful number, since it uses less digits than its factorization.

54356215144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909818 (or 909814 counting only the distinct ones).

The product of its digits is 288000, while the sum is 40.

The spelling of 54356215144 in words is "fifty-four billion, three hundred fifty-six million, two hundred fifteen thousand, one hundred forty-four".