55293473 has 4 divisors (see below), whose sum is σ = 55354560. Its totient is φ = 55232388.

The previous prime is 55293467. The next prime is 55293481. The reversal of 55293473 is 37439255.

55293473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55293473 - 2⁴ = 55293457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55293373) 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 3 ways as a sum of consecutive naturals, for example, 29165 + ... + 31002.

It is an arithmetic number, because the mean of its divisors is an integer number (13838640).

Almost surely, 2^55293473 is an apocalyptic number.

It is an amenable number.

55293473 is a deficient number, since it is larger than the sum of its proper divisors (61087).

55293473 is an equidigital number, since it uses as much as digits as its factorization.

55293473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61086.

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

The square root of 55293473 is about 7435.9581090805. The cubic root of 55293473 is about 380.9704489082.

The spelling of 55293473 in words is "fifty-five million, two hundred ninety-three thousand, four hundred seventy-three".