55102045 has 8 divisors (see below), whose sum is σ = 66246624. Its totient is φ = 43998864.

The previous prime is 55102039. The next prime is 55102051. The reversal of 55102045 is 54020155.

55102045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55102039) and next prime (55102051).

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 55102045 - 2¹¹ = 55099997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7339 + ... + 12808.

It is an arithmetic number, because the mean of its divisors is an integer number (8280828).

Almost surely, 2^55102045 is an apocalyptic number.

It is an amenable number.

55102045 is a deficient number, since it is larger than the sum of its proper divisors (11144579).

55102045 is a wasteful number, since it uses less digits than its factorization.

55102045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20699.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 55102045 is about 7423.0751713828. The cubic root of 55102045 is about 380.5302960918.

The spelling of 55102045 in words is "fifty-five million, one hundred two thousand, forty-five".