54445337623278 has 24 divisors (see below), whose sum is σ = 134817026496048. Its totient is φ = 15555810749472.

The previous prime is 54445337623253. The next prime is 54445337623297. The reversal of 54445337623278 is 87232673354445.

It is a happy number.

54445337623278 is a `hidden beast` number, since 5 + 4 + 4 + 4 + 5 + 337 + 6 + 23 + 278 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216052926951 + ... + 216052927202.

It is an arithmetic number, because the mean of its divisors is an integer number (5617376104002).

Almost surely, 2^{54445337623278} is an apocalyptic number.

54445337623278 is an abundant number, since it is smaller than the sum of its proper divisors (80371688872770).

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

54445337623278 is a wasteful number, since it uses less digits than its factorization.

54445337623278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432105854168 (or 432105854165 counting only the distinct ones).

The product of its digits is 406425600, while the sum is 63.

The spelling of 54445337623278 in words is "fifty-four trillion, four hundred forty-five billion, three hundred thirty-seven million, six hundred twenty-three thousand, two hundred seventy-eight".