55273195 has 4 divisors (see below), whose sum is σ = 66327840. Its totient is φ = 44218552.

The previous prime is 55273193. The next prime is 55273213. The reversal of 55273195 is 59137255.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55273195 - 2¹ = 55273193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55273193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5527315 + ... + 5527324.

It is an arithmetic number, because the mean of its divisors is an integer number (16581960).

Almost surely, 2^55273195 is an apocalyptic number.

55273195 is a deficient number, since it is larger than the sum of its proper divisors (11054645).

55273195 is a wasteful number, since it uses less digits than its factorization.

55273195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11054644.

The product of its digits is 47250, while the sum is 37.

The square root of 55273195 is about 7434.5944744821. The cubic root of 55273195 is about 380.9238716004.

It can be divided in two parts, 552731 and 95, that added together give a triangular number (552826 = T₁₀₅₁).

The spelling of 55273195 in words is "fifty-five million, two hundred seventy-three thousand, one hundred ninety-five".