56760042749 has 4 divisors (see below), whose sum is σ = 59747413440. Its totient is φ = 53772672060.

The previous prime is 56760042649. The next prime is 56760042793. The reversal of 56760042749 is 94724006765.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56760042749 - 2¹² = 56760038653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56760042697 and 56760042706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56760042349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1493685317 + ... + 1493685354.

It is an arithmetic number, because the mean of its divisors is an integer number (14936853360).

Almost surely, 2^56760042749 is an apocalyptic number.

It is an amenable number.

56760042749 is a deficient number, since it is larger than the sum of its proper divisors (2987370691).

56760042749 is a wasteful number, since it uses less digits than its factorization.

56760042749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2987370690.

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 56760042749 in words is "fifty-six billion, seven hundred sixty million, forty-two thousand, seven hundred forty-nine".