55273693 has 8 divisors (see below), whose sum is σ = 56132480. Its totient is φ = 54419040.

The previous prime is 55273663. The next prime is 55273709. The reversal of 55273693 is 39637255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55273693 - 2⁹ = 55273181 is a prime.

It is a super-2 number, since 2×55273693² = 6110362275716498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55273663) 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, 35338 + ... + 36868.

It is an arithmetic number, because the mean of its divisors is an integer number (7016560).

Almost surely, 2^55273693 is an apocalyptic number.

It is an amenable number.

55273693 is a deficient number, since it is larger than the sum of its proper divisors (858787).

55273693 is a wasteful number, since it uses less digits than its factorization.

55273693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067.

The product of its digits is 170100, while the sum is 40.

The square root of 55273693 is about 7434.6279664823. The cubic root of 55273693 is about 380.9250156119.

The spelling of 55273693 in words is "fifty-five million, two hundred seventy-three thousand, six hundred ninety-three".