55374873773 has 4 divisors (see below), whose sum is σ = 55458648828. Its totient is φ = 55291098720.

The previous prime is 55374873709. The next prime is 55374873791. The reversal of 55374873773 is 37737847355.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22381057609 + 32993816164 = 149603^2 + 181642^2 .

It is a cyclic number.

It is not a de Polignac number, because 55374873773 - 2⁶ = 55374873709 is a prime.

It is a super-3 number, since 3×55374873773³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55374878773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41886536 + ... + 41887857.

It is an arithmetic number, because the mean of its divisors is an integer number (13864662207).

Almost surely, 2^55374873773 is an apocalyptic number.

It is an amenable number.

55374873773 is a deficient number, since it is larger than the sum of its proper divisors (83775055).

55374873773 is an equidigital number, since it uses as much as digits as its factorization.

55374873773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83775054.

The product of its digits is 51861600, while the sum is 59.

The spelling of 55374873773 in words is "fifty-five billion, three hundred seventy-four million, eight hundred seventy-three thousand, seven hundred seventy-three".