55394773 has 16 divisors (see below), whose sum is σ = 64310400. Its totient is φ = 46737216.

The previous prime is 55394753. The next prime is 55394797. The reversal of 55394773 is 37749355.

It is a happy number.

55394773 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55394773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55394723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180286 + ... + 180592.

It is an arithmetic number, because the mean of its divisors is an integer number (4019400).

Almost surely, 2^55394773 is an apocalyptic number.

It is an amenable number.

55394773 is a deficient number, since it is larger than the sum of its proper divisors (8915627).

55394773 is a wasteful number, since it uses less digits than its factorization.

55394773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636.

The product of its digits is 396900, while the sum is 43.

The square root of 55394773 is about 7442.7664883429. The cubic root of 55394773 is about 381.2029583453.

The spelling of 55394773 in words is "fifty-five million, three hundred ninety-four thousand, seven hundred seventy-three".