55452779805 has 16 divisors (see below), whose sum is σ = 88739066304. Its totient is φ = 29569943040.

The previous prime is 55452779803. The next prime is 55452779827. The reversal of 55452779805 is 50897725455.

It is not a de Polignac number, because 55452779805 - 2¹ = 55452779803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55452779803) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 209524 + ... + 393453.

It is an arithmetic number, because the mean of its divisors is an integer number (5546191644).

Almost surely, 2^55452779805 is an apocalyptic number.

It is an amenable number.

55452779805 is a deficient number, since it is larger than the sum of its proper divisors (33286286499).

55452779805 is a wasteful number, since it uses less digits than its factorization.

55452779805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609116.

The product of its (nonzero) digits is 17640000, while the sum is 57.

The spelling of 55452779805 in words is "fifty-five billion, four hundred fifty-two million, seven hundred seventy-nine thousand, eight hundred five".