56573340450651 has 24 divisors (see below), whose sum is σ = 82869904836576. Its totient is φ = 37183496743680.

The previous prime is 56573340450643. The next prime is 56573340450701. The reversal of 56573340450651 is 15605404337565.

56573340450651 is a `hidden beast` number, since 5 + 6 + 57 + 3 + 34 + 0 + 4 + 506 + 51 = 666.

It is not a de Polignac number, because 56573340450651 - 2³ = 56573340450643 is a prime.

It is a super-3 number, since 3×56573340450651³ (a number of 42 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (56573340454651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27290581 + ... + 29290313.

It is an arithmetic number, because the mean of its divisors is an integer number (3452912701524).

Almost surely, 2^{56573340450651} is an apocalyptic number.

56573340450651 is a deficient number, since it is larger than the sum of its proper divisors (26296564385925).

56573340450651 is a wasteful number, since it uses less digits than its factorization.

56573340450651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044083 (or 2044080 counting only the distinct ones).

The product of its (nonzero) digits is 22680000, while the sum is 54.

The spelling of 56573340450651 in words is "fifty-six trillion, five hundred seventy-three billion, three hundred forty million, four hundred fifty thousand, six hundred fifty-one".