55738249 has 4 divisors (see below), whose sum is σ = 63700864. Its totient is φ = 47775636.

The previous prime is 55738247. The next prime is 55738271. The reversal of 55738249 is 94283755.

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, and also an emirpimes, since its reverse is a distinct semiprime: 94283755 = 5 ⋅18856751.

It is a cyclic number.

It is not a de Polignac number, because 55738249 - 2¹ = 55738247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55738247) 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, 3981297 + ... + 3981310.

It is an arithmetic number, because the mean of its divisors is an integer number (15925216).

Almost surely, 2^55738249 is an apocalyptic number.

It is an amenable number.

55738249 is a deficient number, since it is larger than the sum of its proper divisors (7962615).

55738249 is an equidigital number, since it uses as much as digits as its factorization.

55738249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7962614.

The product of its digits is 302400, while the sum is 43.

The square root of 55738249 is about 7465.8053149007. The cubic root of 55738249 is about 381.9892201119.

The spelling of 55738249 in words is "fifty-five million, seven hundred thirty-eight thousand, two hundred forty-nine".