54251152020 has 288 divisors, whose sum is σ = 191307916800. Its totient is φ = 12332694528.

The previous prime is 54251152013. The next prime is 54251152073. The reversal of 54251152020 is 2025115245.

54251152020 is a `hidden beast` number, since 542 + 5 + 115 + 2 + 0 + 2 + 0 = 666.

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 95 ways as a sum of consecutive naturals, for example, 1543401 + ... + 1578159.

It is an arithmetic number, because the mean of its divisors is an integer number (664263600).

Almost surely, 2^54251152020 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 54251152020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95653958400).

54251152020 is an abundant number, since it is smaller than the sum of its proper divisors (137056764780).

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

54251152020 is a wasteful number, since it uses less digits than its factorization.

54251152020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34839 (or 34834 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

Adding to 54251152020 its reverse (2025115245), we get a palindrome (56276267265).

The spelling of 54251152020 in words is "fifty-four billion, two hundred fifty-one million, one hundred fifty-two thousand, twenty".