54320920940 has 96 divisors (see below), whose sum is σ = 134082768960. Its totient is φ = 18224640000.

The previous prime is 54320920937. The next prime is 54320920987. The reversal of 54320920940 is 4902902345.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 54320920894 and 54320920903.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8579696 + ... + 8586024.

It is an arithmetic number, because the mean of its divisors is an integer number (1396695510).

Almost surely, 2^54320920940 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 54320920940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67041384480).

54320920940 is an abundant number, since it is smaller than the sum of its proper divisors (79761848020).

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

54320920940 is a wasteful number, since it uses less digits than its factorization.

54320920940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9363 (or 9361 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 54320920940 in words is "fifty-four billion, three hundred twenty million, nine hundred twenty thousand, nine hundred forty".