55955773 has 4 divisors (see below), whose sum is σ = 56082528. Its totient is φ = 55829020.

The previous prime is 55955759. The next prime is 55955807. The reversal of 55955773 is 37755955.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37755955 = 5 ⋅7551191.

It is a cyclic number.

It is not a de Polignac number, because 55955773 - 2⁹ = 55955261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55955173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62713 + ... + 63598.

It is an arithmetic number, because the mean of its divisors is an integer number (14020632).

Almost surely, 2^55955773 is an apocalyptic number.

It is an amenable number.

55955773 is a deficient number, since it is larger than the sum of its proper divisors (126755).

55955773 is a wasteful number, since it uses less digits than its factorization.

55955773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126754.

The product of its digits is 826875, while the sum is 46.

The square root of 55955773 is about 7480.3591491318. The cubic root of 55955773 is about 382.4854919241.

The spelling of 55955773 in words is "fifty-five million, nine hundred fifty-five thousand, seven hundred seventy-three".