54160640 has 144 divisors (see below), whose sum is σ = 145696320. Its totient is φ = 19169280.

The previous prime is 54160597. The next prime is 54160651. The reversal of 54160640 is 4606145.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 413375 + ... + 413505.

It is an arithmetic number, because the mean of its divisors is an integer number (1011780).

Almost surely, 2^54160640 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 54160640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72848160).

54160640 is an abundant number, since it is smaller than the sum of its proper divisors (91535680).

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

54160640 is a wasteful number, since it uses less digits than its factorization.

54160640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 54160640 is about 7359.3912791752. The cubic root of 54160640 is about 378.3507471053.

Adding to 54160640 its reverse (4606145), we get a palindrome (58766785).

The spelling of 54160640 in words is "fifty-four million, one hundred sixty thousand, six hundred forty".