55313243 has 8 divisors (see below), whose sum is σ = 55910400. Its totient is φ = 54719208.

The previous prime is 55313231. The next prime is 55313281. The reversal of 55313243 is 34231355.

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

It is a cyclic number.

It is not a de Polignac number, because 55313243 - 2⁴ = 55313227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55313213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52718 + ... + 53756.

It is an arithmetic number, because the mean of its divisors is an integer number (6988800).

Almost surely, 2^55313243 is an apocalyptic number.

55313243 is a deficient number, since it is larger than the sum of its proper divisors (597157).

55313243 is a wasteful number, since it uses less digits than its factorization.

55313243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561.

The product of its digits is 5400, while the sum is 26.

The square root of 55313243 is about 7437.2873414976. The cubic root of 55313243 is about 381.0158484095.

Adding to 55313243 its reverse (34231355), we get a palindrome (89544598).

The spelling of 55313243 in words is "fifty-five million, three hundred thirteen thousand, two hundred forty-three".