54487866878445 has 256 divisors, whose sum is σ = 117312473456640. Its totient is φ = 20856279859200.

The previous prime is 54487866878437. The next prime is 54487866878477.

54487866878445 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54487866878445 - 2³ = 54487866878437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 22321943425 + ... + 22321945865.

It is an arithmetic number, because the mean of its divisors is an integer number (458251849440).

Almost surely, 2^{54487866878445} is an apocalyptic number.

54487866878445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54487866878445 is an abundant number, since it is smaller than the sum of its proper divisors (62824606578195).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54487866878445 is a wasteful number, since it uses less digits than its factorization.

54487866878445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5156.

The product of its digits is 46242201600, while the sum is 84.

The spelling of 54487866878445 in words is "fifty-four trillion, four hundred eighty-seven billion, eight hundred sixty-six million, eight hundred seventy-eight thousand, four hundred forty-five".