56651246042533 has 4 divisors (see below), whose sum is σ = 56651753613580. Its totient is φ = 56650738471488.

The previous prime is 56651246042527. The next prime is 56651246042539. The reversal of 56651246042533 is 33524064215665.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (56651246042527) and next prime (56651246042539).

It can be written as a sum of positive squares in 2 ways, for example, as 47383714917889 + 9267531124644 = 6883583^2 + 3044262^2 .

It is a cyclic number.

It is not a de Polignac number, because 56651246042533 - 2³³ = 56642656107941 is a prime.

It is a super-2 number, since 2×56651246042533² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56651246042539) 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, 253618068 + ... + 253841341.

It is an arithmetic number, because the mean of its divisors is an integer number (14162938403395).

Almost surely, 2^{56651246042533} is an apocalyptic number.

It is an amenable number.

56651246042533 is a deficient number, since it is larger than the sum of its proper divisors (507571047).

56651246042533 is a wasteful number, since it uses less digits than its factorization.

56651246042533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507571046.

The product of its (nonzero) digits is 15552000, while the sum is 52.

The spelling of 56651246042533 in words is "fifty-six trillion, six hundred fifty-one billion, two hundred forty-six million, forty-two thousand, five hundred thirty-three".