55774 has 8 divisors (see below), whose sum is σ = 84960. Its totient is φ = 27456.

The previous prime is 55763. The next prime is 55787. The reversal of 55774 is 47755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×55774² = 6221478152, which contains 22 as substring.

It is a magnanimous number.

It is a congruent number.

It is an unprimeable number.

55774 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 19 + ... + 334.

It is an arithmetic number, because the mean of its divisors is an integer number (10620).

2⁵⁵⁷⁷⁴ is an apocalyptic number.

55774 is a deficient number, since it is larger than the sum of its proper divisors (29186).

55774 is a wasteful number, since it uses less digits than its factorization.

55774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434.

The product of its digits is 4900, while the sum is 28.

The square root of 55774 is about 236.1651964198. The cubic root of 55774 is about 38.2070873065.

The spelling of 55774 in words is "fifty-five thousand, seven hundred seventy-four".