55514120240 has 80 divisors (see below), whose sum is σ = 131461898400. Its totient is φ = 21797799936.

The previous prime is 55514120237. The next prime is 55514120267. The reversal of 55514120240 is 4202141555.

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

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, 961634 + ... + 1017726.

It is an arithmetic number, because the mean of its divisors is an integer number (1643273730).

Almost surely, 2^55514120240 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 55514120240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65730949200).

55514120240 is an abundant number, since it is smaller than the sum of its proper divisors (75947778160).

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

55514120240 is a wasteful number, since it uses less digits than its factorization.

55514120240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56334 (or 56328 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 55514120240 its reverse (4202141555), we get a palindrome (59716261795).

The spelling of 55514120240 in words is "fifty-five billion, five hundred fourteen million, one hundred twenty thousand, two hundred forty".