56453778242 has 8 divisors (see below), whose sum is σ = 84693862416. Its totient is φ = 28222490772.

The previous prime is 56453778233. The next prime is 56453778247. The reversal of 56453778242 is 24287735465.

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

It is a super-2 number, since 2×56453778242² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56453778247) 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, 2183108 + ... + 2208815.

It is an arithmetic number, because the mean of its divisors is an integer number (10586732802).

Almost surely, 2^56453778242 is an apocalyptic number.

56453778242 is a deficient number, since it is larger than the sum of its proper divisors (28240084174).

56453778242 is a wasteful number, since it uses less digits than its factorization.

56453778242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4398352.

The product of its digits is 11289600, while the sum is 53.

The spelling of 56453778242 in words is "fifty-six billion, four hundred fifty-three million, seven hundred seventy-eight thousand, two hundred forty-two".