54785353218 has 32 divisors (see below), whose sum is σ = 110630486016. Its totient is φ = 18085668048.

The previous prime is 54785353201. The next prime is 54785353247. The reversal of 54785353218 is 81235358745.

It is a happy 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, 365155 + ... + 492857.

It is an arithmetic number, because the mean of its divisors is an integer number (3457202688).

Almost surely, 2^54785353218 is an apocalyptic number.

54785353218 is an abundant number, since it is smaller than the sum of its proper divisors (55845132798).

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

54785353218 is a wasteful number, since it uses less digits than its factorization.

54785353218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128398.

The product of its digits is 4032000, while the sum is 51.

The spelling of 54785353218 in words is "fifty-four billion, seven hundred eighty-five million, three hundred fifty-three thousand, two hundred eighteen".