55294905 has 8 divisors (see below), whose sum is σ = 88471872. Its totient is φ = 29490608.

The previous prime is 55294903. The next prime is 55294913. The reversal of 55294905 is 50949255.

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

It is a cyclic number.

It is not a de Polignac number, because 55294905 - 2¹ = 55294903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55294903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1843149 + ... + 1843178.

It is an arithmetic number, because the mean of its divisors is an integer number (11058984).

Almost surely, 2^55294905 is an apocalyptic number.

It is an amenable number.

55294905 is a deficient number, since it is larger than the sum of its proper divisors (33176967).

55294905 is a wasteful number, since it uses less digits than its factorization.

55294905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3686335.

The product of its (nonzero) digits is 81000, while the sum is 39.

The square root of 55294905 is about 7436.0543973266. The cubic root of 55294905 is about 380.9737376928.

The spelling of 55294905 in words is "fifty-five million, two hundred ninety-four thousand, nine hundred five".