55316100074447 has 2 divisors, whose sum is σ = 55316100074448. Its totient is φ = 55316100074446.

The previous prime is 55316100074377. The next prime is 55316100074461. The reversal of 55316100074447 is 74447000161355.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55316100074447 - 2¹² = 55316100070351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55316100014447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27658050037223 + 27658050037224.

It is an arithmetic number, because the mean of its divisors is an integer number (27658050037224).

Almost surely, 2^{55316100074447} is an apocalyptic number.

55316100074447 is a deficient number, since it is larger than the sum of its proper divisors (1).

55316100074447 is an equidigital number, since it uses as much as digits as its factorization.

55316100074447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1411200, while the sum is 47.

The spelling of 55316100074447 in words is "fifty-five trillion, three hundred sixteen billion, one hundred million, seventy-four thousand, four hundred forty-seven".