56146521543 has 32 divisors (see below), whose sum is σ = 88069718016. Its totient is φ = 31153794048.

The previous prime is 56146521533. The next prime is 56146521547. The reversal of 56146521543 is 34512564165.

It is not a de Polignac number, because 56146521543 - 2⁵ = 56146521511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56146521495 and 56146521504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56146521547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152071 + ... + 367992.

It is an arithmetic number, because the mean of its divisors is an integer number (2752178688).

Almost surely, 2^56146521543 is an apocalyptic number.

56146521543 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

56146521543 is a deficient number, since it is larger than the sum of its proper divisors (31923196473).

56146521543 is a wasteful number, since it uses less digits than its factorization.

56146521543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520223.

The product of its digits is 432000, while the sum is 42.

The spelling of 56146521543 in words is "fifty-six billion, one hundred forty-six million, five hundred twenty-one thousand, five hundred forty-three".