55256146 has 8 divisors (see below), whose sum is σ = 90419184. Its totient is φ = 25116420.

The previous prime is 55256141. The next prime is 55256153. The reversal of 55256146 is 64165255.

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

It is not an unprimeable number, because it can be changed into a prime (55256141) 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 3 ways as a sum of consecutive naturals, for example, 1255800 + ... + 1255843.

It is an arithmetic number, because the mean of its divisors is an integer number (11302398).

Almost surely, 2^55256146 is an apocalyptic number.

55256146 is a deficient number, since it is larger than the sum of its proper divisors (35163038).

55256146 is a wasteful number, since it uses less digits than its factorization.

55256146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511656.

The product of its digits is 36000, while the sum is 34.

The square root of 55256146 is about 7433.4477868618. The cubic root of 55256146 is about 380.8847022892.

The spelling of 55256146 in words is "fifty-five million, two hundred fifty-six thousand, one hundred forty-six".