54356422140 has 144 divisors (see below), whose sum is σ = 174626629632. Its totient is φ = 14186581056.

The previous prime is 54356422111. The next prime is 54356422157. The reversal of 54356422140 is 4122465345.

54356422140 is a `hidden beast` number, since 5 + 4 + 3 + 5 + 642 + 2 + 1 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 54356422095 and 54356422104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 109437 + ... + 347403.

It is an arithmetic number, because the mean of its divisors is an integer number (1212684928).

Almost surely, 2^54356422140 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 54356422140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87313314816).

54356422140 is an abundant number, since it is smaller than the sum of its proper divisors (120270207492).

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

54356422140 is a wasteful number, since it uses less digits than its factorization.

54356422140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238038 (or 238024 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 54356422140 its reverse (4122465345), we get a palindrome (58478887485).

The spelling of 54356422140 in words is "fifty-four billion, three hundred fifty-six million, four hundred twenty-two thousand, one hundred forty".