55244246 has 8 divisors (see below), whose sum is σ = 85723920. Its totient is φ = 26669608.

The previous prime is 55244239. The next prime is 55244249. The reversal of 55244246 is 64244255.

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

It is a super-2 number, since 2×55244246² = 6103853432217032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55244249) 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, 476186 + ... + 476301.

It is an arithmetic number, because the mean of its divisors is an integer number (10715490).

Almost surely, 2^55244246 is an apocalyptic number.

55244246 is a deficient number, since it is larger than the sum of its proper divisors (30479674).

55244246 is a wasteful number, since it uses less digits than its factorization.

55244246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952518.

The product of its digits is 38400, while the sum is 32.

The square root of 55244246 is about 7432.6473076556. The cubic root of 55244246 is about 380.8573577993.

Subtracting 55244246 from its reverse (64244255), we obtain a palindrome (9000009).

The spelling of 55244246 in words is "fifty-five million, two hundred forty-four thousand, two hundred forty-six".