55273361 has 32 divisors (see below), whose sum is σ = 67858560. Its totient is φ = 44352000.

The previous prime is 55273319. The next prime is 55273367. The reversal of 55273361 is 16337255.

It is not a de Polignac number, because 55273361 - 2⁶ = 55273297 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (55273367) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 547211 + ... + 547311.

It is an arithmetic number, because the mean of its divisors is an integer number (2120580).

Almost surely, 2^55273361 is an apocalyptic number.

It is an amenable number.

55273361 is a deficient number, since it is larger than the sum of its proper divisors (12585199).

55273361 is a wasteful number, since it uses less digits than its factorization.

55273361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257.

The product of its digits is 18900, while the sum is 32.

The square root of 55273361 is about 7434.6056384989. The cubic root of 55273361 is about 380.9242529383.

It can be divided in two parts, 5527 and 3361, that added together give a palindrome (8888).

The spelling of 55273361 in words is "fifty-five million, two hundred seventy-three thousand, three hundred sixty-one".