55275255 has 48 divisors (see below), whose sum is σ = 110023680. Its totient is φ = 25147584.

The previous prime is 55275223. The next prime is 55275293. The reversal of 55275255 is 55257255.

55275255 is a `hidden beast` number, since 552 + 7 + 52 + 55 = 666.

It is not a de Polignac number, because 55275255 - 2⁵ = 55275223 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 119154 + ... + 119616.

It is an arithmetic number, because the mean of its divisors is an integer number (2292160).

Almost surely, 2^55275255 is an apocalyptic number.

55275255 is a deficient number, since it is larger than the sum of its proper divisors (54748425).

55275255 is a wasteful number, since it uses less digits than its factorization.

55275255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860 (or 857 counting only the distinct ones).

The product of its digits is 87500, while the sum is 36.

The square root of 55275255 is about 7434.7330147087. The cubic root of 55275255 is about 380.9286038124.

The spelling of 55275255 in words is "fifty-five million, two hundred seventy-five thousand, two hundred fifty-five".