55201071 has 8 divisors (see below), whose sum is σ = 73641904. Its totient is φ = 36780480.

The previous prime is 55201063. The next prime is 55201087. The reversal of 55201071 is 17010255.

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

It is not a de Polignac number, because 55201071 - 2³ = 55201063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55201001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3261 + ... + 11001.

It is an arithmetic number, because the mean of its divisors is an integer number (9205238).

Almost surely, 2^55201071 is an apocalyptic number.

55201071 is a deficient number, since it is larger than the sum of its proper divisors (18440833).

55201071 is a wasteful number, since it uses less digits than its factorization.

55201071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10121.

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 55201071 is about 7429.7423239302. The cubic root of 55201071 is about 380.7581148725.

The spelling of 55201071 in words is "fifty-five million, two hundred one thousand, seventy-one".