56653543 has 4 divisors (see below), whose sum is σ = 56966728. Its totient is φ = 56340360.

The previous prime is 56653517. The next prime is 56653547. The reversal of 56653543 is 34535665.

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-56653543 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 (56653547) 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, 156321 + ... + 156682.

It is an arithmetic number, because the mean of its divisors is an integer number (14241682).

Almost surely, 2^56653543 is an apocalyptic number.

56653543 is a deficient number, since it is larger than the sum of its proper divisors (313185).

56653543 is a wasteful number, since it uses less digits than its factorization.

56653543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313184.

The product of its digits is 162000, while the sum is 37.

The square root of 56653543 is about 7526.8547880240. The cubic root of 56653543 is about 384.0687969004.

The spelling of 56653543 in words is "fifty-six million, six hundred fifty-three thousand, five hundred forty-three".