55360235544 has 64 divisors (see below), whose sum is σ = 142745034240. Its totient is φ = 17881929600.

The previous prime is 55360235509. The next prime is 55360235551. The reversal of 55360235544 is 44553206355.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 55360235496 and 55360235505.

It is a congruent number.

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, 129034 + ... + 356889.

It is an arithmetic number, because the mean of its divisors is an integer number (2230391160).

Almost surely, 2^55360235544 is an apocalyptic number.

It is an amenable number.

55360235544 is an abundant number, since it is smaller than the sum of its proper divisors (87384798696).

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

55360235544 is a wasteful number, since it uses less digits than its factorization.

55360235544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486080 (or 486076 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 42.

The spelling of 55360235544 in words is "fifty-five billion, three hundred sixty million, two hundred thirty-five thousand, five hundred forty-four".