54577788777545 has 16 divisors (see below), whose sum is σ = 75650068723968. Its totient is φ = 37358058627840.

The previous prime is 54577788777469. The next prime is 54577788777557.

54577788777545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54577788777545 - 2¹⁶ = 54577788712009 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29185982369 + ... + 29185984238.

It is an arithmetic number, because the mean of its divisors is an integer number (4728129295248).

Almost surely, 2^{54577788777545} is an apocalyptic number.

54577788777545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54577788777545 is a deficient number, since it is larger than the sum of its proper divisors (21072279946423).

54577788777545 is a wasteful number, since it uses less digits than its factorization.

54577788777545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58371966640.

The product of its digits is 75295360000, while the sum is 86.

The spelling of 54577788777545 in words is "fifty-four trillion, five hundred seventy-seven billion, seven hundred eighty-eight million, seven hundred seventy-seven thousand, five hundred forty-five".