54494647536 has 480 divisors, whose sum is σ = 179855155200. Its totient is φ = 14121838080.

The previous prime is 54494647511. The next prime is 54494647549. The reversal of 54494647536 is 63574649445.

It is a super-2 number, since 2×54494647536² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 192560451 + ... + 192560733.

It is an arithmetic number, because the mean of its divisors is an integer number (374698240).

Almost surely, 2^54494647536 is an apocalyptic number.

54494647536 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54494647536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89927577600).

54494647536 is an abundant number, since it is smaller than the sum of its proper divisors (125360507664).

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

54494647536 is a wasteful number, since it uses less digits than its factorization.

54494647536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497 (or 484 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 57.

The spelling of 54494647536 in words is "fifty-four billion, four hundred ninety-four million, six hundred forty-seven thousand, five hundred thirty-six".