55273210 has 16 divisors (see below), whose sum is σ = 99657216. Its totient is φ = 22072528.

The previous prime is 55273193. The next prime is 55273213. The reversal of 55273210 is 1237255.

It is not an unprimeable number, because it can be changed into a prime (55273213) 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, 2199 + ... + 10741.

It is an arithmetic number, because the mean of its divisors is an integer number (6228576).

Almost surely, 2^55273210 is an apocalyptic number.

55273210 is a deficient number, since it is larger than the sum of its proper divisors (44384006).

55273210 is a wasteful number, since it uses less digits than its factorization.

55273210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9197.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 55273210 is about 7434.5954832795. The cubic root of 55273210 is about 380.9239060587.

The spelling of 55273210 in words is "fifty-five million, two hundred seventy-three thousand, two hundred ten".