56105087378 has 4 divisors (see below), whose sum is σ = 84157631070. Its totient is φ = 28052543688.

The previous prime is 56105087371. The next prime is 56105087387. The reversal of 56105087378 is 87378050165.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 49745503369 + 6359584009 = 223037^2 + 79747^2 .

It is not an unprimeable number, because it can be changed into a prime (56105087371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14026271843 + ... + 14026271846.

Almost surely, 2^56105087378 is an apocalyptic number.

56105087378 is a deficient number, since it is larger than the sum of its proper divisors (28052543692).

56105087378 is a wasteful number, since it uses less digits than its factorization.

56105087378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28052543691.

The product of its (nonzero) digits is 1411200, while the sum is 50.

The spelling of 56105087378 in words is "fifty-six billion, one hundred five million, eighty-seven thousand, three hundred seventy-eight".