55293973 has 8 divisors (see below), whose sum is σ = 63272192. Its totient is φ = 47335536.

The previous prime is 55293967. The next prime is 55293989. The reversal of 55293973 is 37939255.

55293973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55293973 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 (55293913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1636 + ... + 10642.

It is an arithmetic number, because the mean of its divisors is an integer number (7909024).

Almost surely, 2^55293973 is an apocalyptic number.

It is an amenable number.

55293973 is a deficient number, since it is larger than the sum of its proper divisors (7978219).

55293973 is an equidigital number, since it uses as much as digits as its factorization.

55293973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9891.

The product of its digits is 255150, while the sum is 43.

The square root of 55293973 is about 7435.9917294198. The cubic root of 55293973 is about 380.9715972333.

The spelling of 55293973 in words is "fifty-five million, two hundred ninety-three thousand, nine hundred seventy-three".