56606143761 has 40 divisors (see below), whose sum is σ = 84955288704. Its totient is φ = 37561345920.

The previous prime is 56606143757. The next prime is 56606143787. The reversal of 56606143761 is 16734160665.

56606143761 is a `hidden beast` number, since 5 + 6 + 606 + 1 + 4 + 37 + 6 + 1 = 666.

It is not a de Polignac number, because 56606143761 - 2² = 56606143757 is a prime.

It is a super-2 number, since 2×56606143761² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56606143361) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20280276 + ... + 20283066.

Almost surely, 2^56606143761 is an apocalyptic number.

It is an amenable number.

56606143761 is a deficient number, since it is larger than the sum of its proper divisors (28349144943).

56606143761 is a wasteful number, since it uses less digits than its factorization.

56606143761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3883 (or 3874 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 56606143761 in words is "fifty-six billion, six hundred six million, one hundred forty-three thousand, seven hundred sixty-one".