55305572745 has 16 divisors (see below), whose sum is σ = 93694147200. Its totient is φ = 27761228544.

The previous prime is 55305572701. The next prime is 55305572747. The reversal of 55305572745 is 54727550355.

It is not a de Polignac number, because 55305572745 - 2⁹ = 55305572233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55305572694 and 55305572703.

It is not an unprimeable number, because it can be changed into a prime (55305572747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108442045 + ... + 108442554.

It is an arithmetic number, because the mean of its divisors is an integer number (5855884200).

Almost surely, 2^55305572745 is an apocalyptic number.

It is an amenable number.

55305572745 is a deficient number, since it is larger than the sum of its proper divisors (38388574455).

55305572745 is a wasteful number, since it uses less digits than its factorization.

55305572745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216884624.

The product of its (nonzero) digits is 3675000, while the sum is 48.

The spelling of 55305572745 in words is "fifty-five billion, three hundred five million, five hundred seventy-two thousand, seven hundred forty-five".