56534400117451 has 2 divisors, whose sum is σ = 56534400117452. Its totient is φ = 56534400117450.

The previous prime is 56534400117443. The next prime is 56534400117473. The reversal of 56534400117451 is 15471100443565.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56534400117451 - 2³ = 56534400117443 is a prime.

It is a super-2 number, since 2×56534400117451² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56534400517451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28267200058725 + 28267200058726.

It is an arithmetic number, because the mean of its divisors is an integer number (28267200058726).

Almost surely, 2^{56534400117451} is an apocalyptic number.

56534400117451 is a deficient number, since it is larger than the sum of its proper divisors (1).

56534400117451 is an equidigital number, since it uses as much as digits as its factorization.

56534400117451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008000, while the sum is 46.

The spelling of 56534400117451 in words is "fifty-six trillion, five hundred thirty-four billion, four hundred million, one hundred seventeen thousand, four hundred fifty-one".