54251206416 has 120 divisors (see below), whose sum is σ = 165990554496. Its totient is φ = 16404030720.

The previous prime is 54251206397. The next prime is 54251206423. The reversal of 54251206416 is 61460215245.

54251206416 is a `hidden beast` number, since 5 + 4 + 2 + 5 + 1 + 2 + 0 + 641 + 6 = 666.

54251206416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 696406 + ... + 770378.

Almost surely, 2^54251206416 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 54251206416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82995277248).

54251206416 is an abundant number, since it is smaller than the sum of its proper divisors (111739348080).

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

54251206416 is a wasteful number, since it uses less digits than its factorization.

54251206416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74461 (or 74452 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 54251206416 in words is "fifty-four billion, two hundred fifty-one million, two hundred six thousand, four hundred sixteen".