55273349 has 4 divisors (see below), whose sum is σ = 55535520. Its totient is φ = 55011180.

The previous prime is 55273319. The next prime is 55273367. The reversal of 55273349 is 94337255.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55273349 - 2¹⁶ = 55207813 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 (55273319) 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, 130769 + ... + 131190.

It is an arithmetic number, because the mean of its divisors is an integer number (13883880).

Almost surely, 2^55273349 is an apocalyptic number.

It is an amenable number.

55273349 is a deficient number, since it is larger than the sum of its proper divisors (262171).

55273349 is a wasteful number, since it uses less digits than its factorization.

55273349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262170.

The product of its digits is 113400, while the sum is 38.

The square root of 55273349 is about 7434.6048314621. The cubic root of 55273349 is about 380.9242253717.

The spelling of 55273349 in words is "fifty-five million, two hundred seventy-three thousand, three hundred forty-nine".