55102255 has 8 divisors (see below), whose sum is σ = 71209152. Its totient is φ = 40690848.

The previous prime is 55102249. The next prime is 55102259. The reversal of 55102255 is 55220155.

It is a happy number.

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 55102255 - 2³ = 55102247 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 (55102259) 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, 423799 + ... + 423928.

It is an arithmetic number, because the mean of its divisors is an integer number (8901144).

Almost surely, 2^55102255 is an apocalyptic number.

55102255 is a deficient number, since it is larger than the sum of its proper divisors (16106897).

55102255 is a wasteful number, since it uses less digits than its factorization.

55102255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847745.

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 55102255 is about 7423.0893164504. The cubic root of 55102255 is about 380.5307795056.

The spelling of 55102255 in words is "fifty-five million, one hundred two thousand, two hundred fifty-five".