55202215 has 8 divisors (see below), whose sum is σ = 66926160. Its totient is φ = 43706112.

The previous prime is 55202207. The next prime is 55202219. The reversal of 55202215 is 51220255.

55202215 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 a cyclic number.

It is not a de Polignac number, because 55202215 - 2³ = 55202207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55202219) 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 7 ways as a sum of consecutive naturals, for example, 56425 + ... + 57394.

It is an arithmetic number, because the mean of its divisors is an integer number (8365770).

Almost surely, 2^55202215 is an apocalyptic number.

55202215 is a deficient number, since it is larger than the sum of its proper divisors (11723945).

55202215 is a wasteful number, since it uses less digits than its factorization.

55202215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113921.

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

The square root of 55202215 is about 7429.8193113965. The cubic root of 55202215 is about 380.7607451613.

The spelling of 55202215 in words is "fifty-five million, two hundred two thousand, two hundred fifteen".