54832140 has 240 divisors, whose sum is σ = 199783584. Its totient is φ = 12441600.

The previous prime is 54832139. The next prime is 54832147. The reversal of 54832140 is 4123845.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (54832147) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 302850 + ... + 303030.

Almost surely, 2^54832140 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 54832140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99891792).

54832140 is an abundant number, since it is smaller than the sum of its proper divisors (144951444).

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

54832140 is a wasteful number, since it uses less digits than its factorization.

54832140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 54832140 is about 7404.8727200405. The cubic root of 54832140 is about 379.9079647840.

Adding to 54832140 its reverse (4123845), we get a palindrome (58955985).

The spelling of 54832140 in words is "fifty-four million, eight hundred thirty-two thousand, one hundred forty".