55445023130 has 16 divisors (see below), whose sum is σ = 114058333440. Its totient is φ = 19009722192.

The previous prime is 55445023129. The next prime is 55445023159. The reversal of 55445023130 is 3132054455.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396035810 + ... + 396035949.

It is an arithmetic number, because the mean of its divisors is an integer number (7128645840).

Almost surely, 2^55445023130 is an apocalyptic number.

55445023130 is an abundant number, since it is smaller than the sum of its proper divisors (58613310310).

55445023130 is a wasteful number, since it uses less digits than its factorization.

55445023130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792071773.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 55445023130 its reverse (3132054455), we get a palindrome (58577077585).

The spelling of 55445023130 in words is "fifty-five billion, four hundred forty-five million, twenty-three thousand, one hundred thirty".