57553243 has 4 divisors (see below), whose sum is σ = 62785368. Its totient is φ = 52321120.

The previous prime is 57553229. The next prime is 57553247. The reversal of 57553243 is 34235575.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57553243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57553199 and 57553208.

It is not an unprimeable number, because it can be changed into a prime (57553247) 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, 2616046 + ... + 2616067.

It is an arithmetic number, because the mean of its divisors is an integer number (15696342).

Almost surely, 2^57553243 is an apocalyptic number.

57553243 is a deficient number, since it is larger than the sum of its proper divisors (5232125).

57553243 is a wasteful number, since it uses less digits than its factorization.

57553243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5232124.

The product of its digits is 63000, while the sum is 34.

The square root of 57553243 is about 7586.3853711764. The cubic root of 57553243 is about 386.0912269724.

It can be divided in two parts, 575532 and 43, that added together give a palindrome (575575).

The spelling of 57553243 in words is "fifty-seven million, five hundred fifty-three thousand, two hundred forty-three".