56554143642253 has 2 divisors, whose sum is σ = 56554143642254. Its totient is φ = 56554143642252.

The previous prime is 56554143642247. The next prime is 56554143642263. The reversal of 56554143642253 is 35224634145565.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54207481180329 + 2346662461924 = 7362573^2 + 1531882^2 .

It is a cyclic number.

It is not a de Polignac number, because 56554143642253 - 2³⁷ = 56416704688781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56554143642194 and 56554143642203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56554143642203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28277071821126 + 28277071821127.

It is an arithmetic number, because the mean of its divisors is an integer number (28277071821127).

Almost surely, 2^{56554143642253} is an apocalyptic number.

It is an amenable number.

56554143642253 is a deficient number, since it is larger than the sum of its proper divisors (1).

56554143642253 is an equidigital number, since it uses as much as digits as its factorization.

56554143642253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840000, while the sum is 55.

The spelling of 56554143642253 in words is "fifty-six trillion, five hundred fifty-four billion, one hundred forty-three million, six hundred forty-two thousand, two hundred fifty-three".