54471700920 has 512 divisors, whose sum is σ = 206789345280. Its totient is φ = 11172833280.

The previous prime is 54471700909. The next prime is 54471700931. The reversal of 54471700920 is 2900717445.

It is an interprime number because it is at equal distance from previous prime (54471700909) and next prime (54471700931).

It is a super-2 number, since 2×54471700920² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 127 ways as a sum of consecutive naturals, for example, 108293389 + ... + 108293891.

It is an arithmetic number, because the mean of its divisors is an integer number (403885440).

Almost surely, 2^54471700920 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 54471700920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103394672640).

54471700920 is an abundant number, since it is smaller than the sum of its proper divisors (152317644360).

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

54471700920 is a wasteful number, since it uses less digits than its factorization.

54471700920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795 (or 791 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The spelling of 54471700920 in words is "fifty-four billion, four hundred seventy-one million, seven hundred thousand, nine hundred twenty".