56733232766 has 16 divisors (see below), whose sum is σ = 98149238880. Its totient is φ = 24091175520.

The previous prime is 56733232663. The next prime is 56733232783. The reversal of 56733232766 is 66723233765.

It is a super-2 number, since 2×56733232766² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18587345 + ... + 18590396.

It is an arithmetic number, because the mean of its divisors is an integer number (6134327430).

Almost surely, 2^56733232766 is an apocalyptic number.

56733232766 is a deficient number, since it is larger than the sum of its proper divisors (41416006114).

56733232766 is a wasteful number, since it uses less digits than its factorization.

56733232766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37177859.

The product of its digits is 5715360, while the sum is 50.

Subtracting 56733232766 from its reverse (66723233765), we obtain a palindrome (9990000999).

The spelling of 56733232766 in words is "fifty-six billion, seven hundred thirty-three million, two hundred thirty-two thousand, seven hundred sixty-six".