54051031669 has 2 divisors, whose sum is σ = 54051031670. Its totient is φ = 54051031668.

The previous prime is 54051031663. The next prime is 54051031729. The reversal of 54051031669 is 96613015045.

It is a happy number.

54051031669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46942855569 + 7108176100 = 216663^2 + 84310^2 .

It is a cyclic number.

It is not a de Polignac number, because 54051031669 - 2¹⁵ = 54050998901 is a prime.

It is a super-2 number, since 2×54051031669² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54051031663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27025515834 + 27025515835.

It is an arithmetic number, because the mean of its divisors is an integer number (27025515835).

Almost surely, 2^54051031669 is an apocalyptic number.

It is an amenable number.

54051031669 is a deficient number, since it is larger than the sum of its proper divisors (1).

54051031669 is an equidigital number, since it uses as much as digits as its factorization.

54051031669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 40.

The spelling of 54051031669 in words is "fifty-four billion, fifty-one million, thirty-one thousand, six hundred sixty-nine".