54117150520 has 64 divisors (see below), whose sum is σ = 128816640000. Its totient is φ = 20404441728.

The previous prime is 54117150511. The next prime is 54117150553. The reversal of 54117150520 is 2505171145.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27672 + ... + 330151.

It is an arithmetic number, because the mean of its divisors is an integer number (2012760000).

Almost surely, 2^54117150520 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 54117150520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64408320000).

54117150520 is an abundant number, since it is smaller than the sum of its proper divisors (74699489480).

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

54117150520 is a wasteful number, since it uses less digits than its factorization.

54117150520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358052 (or 358048 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 31.

The spelling of 54117150520 in words is "fifty-four billion, one hundred seventeen million, one hundred fifty thousand, five hundred twenty".