55322774 has 32 divisors (see below), whose sum is σ = 94639104. Its totient is φ = 24060960.

The previous prime is 55322767. The next prime is 55322779. The reversal of 55322774 is 47722355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55322779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41807 + ... + 43109.

It is an arithmetic number, because the mean of its divisors is an integer number (2957472).

Almost surely, 2^55322774 is an apocalyptic number.

55322774 is a deficient number, since it is larger than the sum of its proper divisors (39316330).

55322774 is a wasteful number, since it uses less digits than its factorization.

55322774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412.

The product of its digits is 58800, while the sum is 35.

The square root of 55322774 is about 7437.9280717146. The cubic root of 55322774 is about 381.0377313758.

The spelling of 55322774 in words is "fifty-five million, three hundred twenty-two thousand, seven hundred seventy-four".