55393041320 has 64 divisors (see below), whose sum is σ = 126438762240. Its totient is φ = 21837715200.

The previous prime is 55393041311. The next prime is 55393041367. The reversal of 55393041320 is 2314039355.

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, 1377905 + ... + 1417535.

It is an arithmetic number, because the mean of its divisors is an integer number (1975605660).

Almost surely, 2^55393041320 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 55393041320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63219381120).

55393041320 is an abundant number, since it is smaller than the sum of its proper divisors (71045720920).

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

55393041320 is a wasteful number, since it uses less digits than its factorization.

55393041320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40146 (or 40142 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 35.

The spelling of 55393041320 in words is "fifty-five billion, three hundred ninety-three million, forty-one thousand, three hundred twenty".