54066674622797 has 2 divisors, whose sum is σ = 54066674622798. Its totient is φ = 54066674622796.

The previous prime is 54066674622769. The next prime is 54066674622817. The reversal of 54066674622797 is 79722647666045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37998915034276 + 16067759588521 = 6164326^2 + 4008461^2 .

It is a cyclic number.

It is not a de Polignac number, because 54066674622797 - 2¹⁶ = 54066674557261 is a prime.

It is a super-2 number, since 2×54066674622797² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54066674622797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54066674622497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27033337311398 + 27033337311399.

It is an arithmetic number, because the mean of its divisors is an integer number (27033337311399).

Almost surely, 2^{54066674622797} is an apocalyptic number.

It is an amenable number.

54066674622797 is a deficient number, since it is larger than the sum of its proper divisors (1).

54066674622797 is an equidigital number, since it uses as much as digits as its factorization.

54066674622797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280240640, while the sum is 71.

The spelling of 54066674622797 in words is "fifty-four trillion, sixty-six billion, six hundred seventy-four million, six hundred twenty-two thousand, seven hundred ninety-seven".