54123513152 has 56 divisors (see below), whose sum is σ = 112346232000. Its totient is φ = 25821582336.

The previous prime is 54123513137. The next prime is 54123513193. The reversal of 54123513152 is 25131532145.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 557099 + ... + 646997.

Almost surely, 2^54123513152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54123513152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56173116000).

54123513152 is an abundant number, since it is smaller than the sum of its proper divisors (58222718848).

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

54123513152 is a wasteful number, since it uses less digits than its factorization.

54123513152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90343 (or 90333 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

The spelling of 54123513152 in words is "fifty-four billion, one hundred twenty-three million, five hundred thirteen thousand, one hundred fifty-two".