56421242041 has 4 divisors (see below), whose sum is σ = 56422613584. Its totient is φ = 56419870500.

The previous prime is 56421242039. The next prime is 56421242057. The reversal of 56421242041 is 14024212465.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56421242041 - 2¹ = 56421242039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56421241994 and 56421242012.

It is not an unprimeable number, because it can be changed into a prime (56421242011) 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, 622095 + ... + 706996.

It is an arithmetic number, because the mean of its divisors is an integer number (14105653396).

Almost surely, 2^56421242041 is an apocalyptic number.

It is an amenable number.

56421242041 is a deficient number, since it is larger than the sum of its proper divisors (1371543).

56421242041 is a wasteful number, since it uses less digits than its factorization.

56421242041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371542.

The product of its (nonzero) digits is 15360, while the sum is 31.

The spelling of 56421242041 in words is "fifty-six billion, four hundred twenty-one million, two hundred forty-two thousand, forty-one".