56575868141 has 4 divisors (see below), whose sum is σ = 60927858012. Its totient is φ = 52223878272.

The previous prime is 56575868113. The next prime is 56575868147. The reversal of 56575868141 is 14186857565.

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

It can be written as a sum of positive squares in 2 ways, for example, as 32295684100 + 24280184041 = 179710^2 + 155821^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56575868141 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 (56575868147) 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, 2175994916 + ... + 2175994941.

It is an arithmetic number, because the mean of its divisors is an integer number (15231964503).

Almost surely, 2^56575868141 is an apocalyptic number.

It is an amenable number.

56575868141 is a deficient number, since it is larger than the sum of its proper divisors (4351989871).

56575868141 is a wasteful number, since it uses less digits than its factorization.

56575868141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4351989870.

The product of its digits is 8064000, while the sum is 56.

The spelling of 56575868141 in words is "fifty-six billion, five hundred seventy-five million, eight hundred sixty-eight thousand, one hundred forty-one".