56405034555453 has 12 divisors (see below), whose sum is σ = 83461108041948. Its totient is φ = 36686201336640.

The previous prime is 56405034555451. The next prime is 56405034555461. The reversal of 56405034555453 is 35455543050465.

56405034555453 is a `hidden beast` number, since 5 + 6 + 4 + 0 + 5 + 0 + 34 + 5 + 554 + 53 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1745894470329 + 54659140085124 = 1321323^2 + 7393182^2 .

It is not a de Polignac number, because 56405034555453 - 2¹ = 56405034555451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56405034555453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56405034555451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76429585750 + ... + 76429586487.

It is an arithmetic number, because the mean of its divisors is an integer number (6955092336829).

Almost surely, 2^{56405034555453} is an apocalyptic number.

It is an amenable number.

56405034555453 is a deficient number, since it is larger than the sum of its proper divisors (27056073486495).

56405034555453 is a wasteful number, since it uses less digits than its factorization.

56405034555453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152859172284 (or 152859172281 counting only the distinct ones).

The product of its (nonzero) digits is 54000000, while the sum is 54.

The spelling of 56405034555453 in words is "fifty-six trillion, four hundred five billion, thirty-four million, five hundred fifty-five thousand, four hundred fifty-three".