56446252653971 has 2 divisors, whose sum is σ = 56446252653972. Its totient is φ = 56446252653970.

The previous prime is 56446252653919. The next prime is 56446252654003. The reversal of 56446252653971 is 17935625264465.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56446252653971 - 2¹⁰ = 56446252652947 is a prime.

It is a super-2 number, since 2×56446252653971² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56446252653898 and 56446252653907.

It is not a weakly prime, because it can be changed into another prime (56446252653911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28223126326985 + 28223126326986.

It is an arithmetic number, because the mean of its divisors is an integer number (28223126326986).

Almost surely, 2^{56446252653971} is an apocalyptic number.

56446252653971 is a deficient number, since it is larger than the sum of its proper divisors (1).

56446252653971 is an equidigital number, since it uses as much as digits as its factorization.

56446252653971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592000, while the sum is 65.

The spelling of 56446252653971 in words is "fifty-six trillion, four hundred forty-six billion, two hundred fifty-two million, six hundred fifty-three thousand, nine hundred seventy-one".