55156274 has 8 divisors (see below), whose sum is σ = 82766208. Its totient is φ = 27567540.

The previous prime is 55156273. The next prime is 55156319. The reversal of 55156274 is 47265155.

55156274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (55156273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6179 + ... + 12185.

It is an arithmetic number, because the mean of its divisors is an integer number (10345776).

Almost surely, 2^55156274 is an apocalyptic number.

55156274 is a deficient number, since it is larger than the sum of its proper divisors (27609934).

55156274 is a wasteful number, since it uses less digits than its factorization.

55156274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10600.

The product of its digits is 42000, while the sum is 35.

The square root of 55156274 is about 7426.7270045424. The cubic root of 55156274 is about 380.6550888681.

The spelling of 55156274 in words is "fifty-five million, one hundred fifty-six thousand, two hundred seventy-four".