54587451769 has 2 divisors, whose sum is σ = 54587451770. Its totient is φ = 54587451768.

The previous prime is 54587451739. The next prime is 54587451791. The reversal of 54587451769 is 96715478545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30288877369 + 24298574400 = 174037^2 + 155880^2 .

It is a cyclic number.

It is not a de Polignac number, because 54587451769 - 2¹³ = 54587443577 is a prime.

It is a super-2 number, since 2×54587451769² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54587451739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27293725884 + 27293725885.

It is an arithmetic number, because the mean of its divisors is an integer number (27293725885).

Almost surely, 2^54587451769 is an apocalyptic number.

It is an amenable number.

54587451769 is a deficient number, since it is larger than the sum of its proper divisors (1).

54587451769 is an equidigital number, since it uses as much as digits as its factorization.

54587451769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336000, while the sum is 61.

The spelling of 54587451769 in words is "fifty-four billion, five hundred eighty-seven million, four hundred fifty-one thousand, seven hundred sixty-nine".