55445402765 has 8 divisors (see below), whose sum is σ = 66872223000. Its totient is φ = 44131162432.

The previous prime is 55445402711. The next prime is 55445402861. The reversal of 55445402765 is 56720454455.

It can be written as a sum of positive squares in 4 ways, for example, as 10952250409 + 44493152356 = 104653^2 + 210934^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55445402765 - 2¹⁶ = 55445337229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28143890 + ... + 28145859.

It is an arithmetic number, because the mean of its divisors is an integer number (8359027875).

Almost surely, 2^55445402765 is an apocalyptic number.

It is an amenable number.

55445402765 is a deficient number, since it is larger than the sum of its proper divisors (11426820235).

55445402765 is a wasteful number, since it uses less digits than its factorization.

55445402765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56289951.

The product of its (nonzero) digits is 3360000, while the sum is 47.

The spelling of 55445402765 in words is "fifty-five billion, four hundred forty-five million, four hundred two thousand, seven hundred sixty-five".