54551230140 has 48 divisors (see below), whose sum is σ = 166629214080. Its totient is φ = 13224540480.

The previous prime is 54551230133. The next prime is 54551230157. The reversal of 54551230140 is 4103215545.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 54551230098 and 54551230107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41326030 + ... + 41327349.

It is an arithmetic number, because the mean of its divisors is an integer number (3471441960).

Almost surely, 2^54551230140 is an apocalyptic number.

It is an amenable number.

54551230140 is an abundant number, since it is smaller than the sum of its proper divisors (112077983940).

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

54551230140 is a wasteful number, since it uses less digits than its factorization.

54551230140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82653402 (or 82653400 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 54551230140 its reverse (4103215545), we get a palindrome (58654445685).

The spelling of 54551230140 in words is "fifty-four billion, five hundred fifty-one million, two hundred thirty thousand, one hundred forty".