55943653 has 8 divisors (see below), whose sum is σ = 56516600. Its totient is φ = 55373760.

The previous prime is 55943647. The next prime is 55943663. The reversal of 55943653 is 35634955.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10543009 + 45400644 = 3247^2 + 6738^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55943653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55943603) 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, 54283 + ... + 55303.

It is an arithmetic number, because the mean of its divisors is an integer number (7064575).

Almost surely, 2^55943653 is an apocalyptic number.

It is an amenable number.

55943653 is a deficient number, since it is larger than the sum of its proper divisors (572947).

55943653 is a wasteful number, since it uses less digits than its factorization.

55943653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527.

The product of its digits is 243000, while the sum is 40.

The square root of 55943653 is about 7479.5489837289. The cubic root of 55943653 is about 382.4578745241.

It can be divided in two parts, 55 and 943653, that multiplied together give a palindrome (51900915).

The spelling of 55943653 in words is "fifty-five million, nine hundred forty-three thousand, six hundred fifty-three".