54577566577545 has 32 divisors (see below), whose sum is σ = 95296170276864. Its totient is φ = 26452542513600.

The previous prime is 54577566577487. The next prime is 54577566577559.

54577566577545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54577566577545 - 2¹² = 54577566573449 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57704161 + ... + 58642350.

It is an arithmetic number, because the mean of its divisors is an integer number (2978005321152).

Almost surely, 2^{54577566577545} is an apocalyptic number.

54577566577545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54577566577545 is a deficient number, since it is larger than the sum of its proper divisors (40718603699319).

54577566577545 is a wasteful number, since it uses less digits than its factorization.

54577566577545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116349373.

The product of its digits is 21609000000, while the sum is 78.

The spelling of 54577566577545 in words is "fifty-four trillion, five hundred seventy-seven billion, five hundred sixty-six million, five hundred seventy-seven thousand, five hundred forty-five".