55073774 has 8 divisors (see below), whose sum is σ = 94412208. Its totient is φ = 23603040.

The previous prime is 55073773. The next prime is 55073803. The reversal of 55073774 is 47737055.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55073773) 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, 1966907 + ... + 1966934.

It is an arithmetic number, because the mean of its divisors is an integer number (11801526).

Almost surely, 2^55073774 is an apocalyptic number.

55073774 is a deficient number, since it is larger than the sum of its proper divisors (39338434).

55073774 is a wasteful number, since it uses less digits than its factorization.

55073774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3933850.

The product of its (nonzero) digits is 102900, while the sum is 38.

The square root of 55073774 is about 7421.1706623686. The cubic root of 55073774 is about 380.4652058737.

The spelling of 55073774 in words is "fifty-five million, seventy-three thousand, seven hundred seventy-four".