54478015454420 has 24 divisors (see below), whose sum is σ = 114407764944648. Its totient is φ = 21790457136000.

The previous prime is 54478015454417. The next prime is 54478015454431. The reversal of 54478015454420 is 2445451087445.

It can be written as a sum of positive squares in 4 ways, for example, as 2678845811524 + 51799169642896 = 1636718^2 + 7197164^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46218791 + ... + 47382830.

It is an arithmetic number, because the mean of its divisors is an integer number (4766990206027).

Almost surely, 2^{54478015454420} is an apocalyptic number.

It is an amenable number.

54478015454420 is an abundant number, since it is smaller than the sum of its proper divisors (59929749490228).

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

54478015454420 is a wasteful number, since it uses less digits than its factorization.

54478015454420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93630731 (or 93630729 counting only the distinct ones).

The product of its (nonzero) digits is 14336000, while the sum is 53.

The spelling of 54478015454420 in words is "fifty-four trillion, four hundred seventy-eight billion, fifteen million, four hundred fifty-four thousand, four hundred twenty".