55257366 has 8 divisors (see below), whose sum is σ = 110514744. Its totient is φ = 18419120.

The previous prime is 55257359. The next prime is 55257401. The reversal of 55257366 is 66375255.

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

55257366 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4604775 + ... + 4604786.

It is an arithmetic number, because the mean of its divisors is an integer number (13814343).

Almost surely, 2^55257366 is an apocalyptic number.

55257366 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55257366 is a wasteful number, since it uses less digits than its factorization.

55257366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9209566.

The product of its digits is 189000, while the sum is 39.

The square root of 55257366 is about 7433.5298479255. The cubic root of 55257366 is about 380.8875054520.

The spelling of 55257366 in words is "fifty-five million, two hundred fifty-seven thousand, three hundred sixty-six".