56778356041 has 16 divisors (see below), whose sum is σ = 63127310400. Its totient is φ = 50636664000.

The previous prime is 56778356023. The next prime is 56778356081. The reversal of 56778356041 is 14065387765.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 56778356041 - 2¹¹ = 56778353993 is a prime.

It is a super-2 number, since 2×56778356041² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56778356041.

It is not an unprimeable number, because it can be changed into a prime (56778356081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113331 + ... + 355528.

It is an arithmetic number, because the mean of its divisors is an integer number (3945456900).

Almost surely, 2^56778356041 is an apocalyptic number.

It is an amenable number.

56778356041 is a deficient number, since it is larger than the sum of its proper divisors (6348954359).

56778356041 is a wasteful number, since it uses less digits than its factorization.

56778356041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469080.

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 56778356041 in words is "fifty-six billion, seven hundred seventy-eight million, three hundred fifty-six thousand, forty-one".