56778333353 has 6 divisors (see below), whose sum is σ = 66048265386. Its totient is φ = 48667142832.

The previous prime is 56778333343. The next prime is 56778333389. The reversal of 56778333353 is 35333387765.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 32930635024 + 23847698329 = 181468^2 + 154427^2 .

It is not a de Polignac number, because 56778333353 - 2³⁰ = 55704591529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56778333295 and 56778333304.

It is not an unprimeable number, because it can be changed into a prime (56778333343) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 579370700 + ... + 579370797.

It is an arithmetic number, because the mean of its divisors is an integer number (11008044231).

Almost surely, 2^56778333353 is an apocalyptic number.

It is an amenable number.

56778333353 is a deficient number, since it is larger than the sum of its proper divisors (9269932033).

56778333353 is a wasteful number, since it uses less digits than its factorization.

56778333353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158741511 (or 1158741504 counting only the distinct ones).

The product of its digits is 14288400, while the sum is 53.

The spelling of 56778333353 in words is "fifty-six billion, seven hundred seventy-eight million, three hundred thirty-three thousand, three hundred fifty-three".