54142320 has 80 divisors (see below), whose sum is σ = 168551712. Its totient is φ = 14376960.

The previous prime is 54142313. The next prime is 54142339. The reversal of 54142320 is 2324145.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103660 + ... + 104180.

Almost surely, 2^54142320 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 54142320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84275856).

54142320 is an abundant number, since it is smaller than the sum of its proper divisors (114409392).

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

54142320 is a wasteful number, since it uses less digits than its factorization.

54142320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970 (or 964 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 54142320 is about 7358.1465057445. The cubic root of 54142320 is about 378.3080828670.

Adding to 54142320 its reverse (2324145), we get a palindrome (56466465).

The spelling of 54142320 in words is "fifty-four million, one hundred forty-two thousand, three hundred twenty".