54571683840 has 104 divisors (see below), whose sum is σ = 174608267808. Its totient is φ = 14552432640.

The previous prime is 54571683827. The next prime is 54571683847. The reversal of 54571683840 is 4838617545.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54571683847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382666 + ... + 505545.

It is an arithmetic number, because the mean of its divisors is an integer number (1678925652).

Almost surely, 2^54571683840 is an apocalyptic number.

It is an amenable number.

54571683840 is an abundant number, since it is smaller than the sum of its proper divisors (120036583968).

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

54571683840 is an equidigital number, since it uses as much as digits as its factorization.

54571683840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888243 (or 888221 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 54571683840 in words is "fifty-four billion, five hundred seventy-one million, six hundred eighty-three thousand, eight hundred forty".