56441014447 has 2 divisors, whose sum is σ = 56441014448. Its totient is φ = 56441014446.

The previous prime is 56441014439. The next prime is 56441014477. The reversal of 56441014447 is 74441014465.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56441014447 - 2³ = 56441014439 is a prime.

It is a super-2 number, since 2×56441014447² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56441014477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28220507223 + 28220507224.

It is an arithmetic number, because the mean of its divisors is an integer number (28220507224).

Almost surely, 2^56441014447 is an apocalyptic number.

56441014447 is a deficient number, since it is larger than the sum of its proper divisors (1).

56441014447 is an equidigital number, since it uses as much as digits as its factorization.

56441014447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 215040, while the sum is 40.

The spelling of 56441014447 in words is "fifty-six billion, four hundred forty-one million, fourteen thousand, four hundred forty-seven".