54477525635129 has 2 divisors, whose sum is σ = 54477525635130. Its totient is φ = 54477525635128.

The previous prime is 54477525635089. The next prime is 54477525635149. The reversal of 54477525635129 is 92153652577445.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31511606790400 + 22965918844729 = 5613520^2 + 4792277^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54477525635129 is a prime.

It is a super-2 number, since 2×54477525635129² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54477525635149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27238762817564 + 27238762817565.

It is an arithmetic number, because the mean of its divisors is an integer number (27238762817565).

Almost surely, 2^{54477525635129} is an apocalyptic number.

It is an amenable number.

54477525635129 is a deficient number, since it is larger than the sum of its proper divisors (1).

54477525635129 is an equidigital number, since it uses as much as digits as its factorization.

54477525635129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520000, while the sum is 65.

The spelling of 54477525635129 in words is "fifty-four trillion, four hundred seventy-seven billion, five hundred twenty-five million, six hundred thirty-five thousand, one hundred twenty-nine".