56662569542 has 16 divisors (see below), whose sum is σ = 91908250560. Its totient is φ = 26097403008.

The previous prime is 56662569541. The next prime is 56662569583. The reversal of 56662569542 is 24596526665.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56662569541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17727617 + ... + 17730812.

It is an arithmetic number, because the mean of its divisors is an integer number (5744265660).

Almost surely, 2^56662569542 is an apocalyptic number.

56662569542 is a deficient number, since it is larger than the sum of its proper divisors (35245681018).

56662569542 is a wasteful number, since it uses less digits than its factorization.

56662569542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35458495.

The product of its digits is 23328000, while the sum is 56.

The spelling of 56662569542 in words is "fifty-six billion, six hundred sixty-two million, five hundred sixty-nine thousand, five hundred forty-two".