55244709 has 48 divisors (see below), whose sum is σ = 89631360. Its totient is φ = 32572800.

The previous prime is 55244687. The next prime is 55244719. The reversal of 55244709 is 90744255.

It is not a de Polignac number, because 55244709 - 2⁹ = 55244197 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55244719) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 365784 + ... + 365934.

It is an arithmetic number, because the mean of its divisors is an integer number (1867320).

Almost surely, 2^55244709 is an apocalyptic number.

55244709 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

55244709 is a deficient number, since it is larger than the sum of its proper divisors (34386651).

55244709 is a wasteful number, since it uses less digits than its factorization.

55244709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 55244709 is about 7432.6784539626. The cubic root of 55244709 is about 380.8584217802.

The spelling of 55244709 in words is "fifty-five million, two hundred forty-four thousand, seven hundred nine".