55485774468 has 24 divisors (see below), whose sum is σ = 143852008160. Its totient is φ = 18495258120.

The previous prime is 55485774439. The next prime is 55485774469. The reversal of 55485774468 is 86447758455.

55485774468 is a `hidden beast` number, since 5 + 54 + 8 + 57 + 74 + 468 = 666.

It is not an unprimeable number, because it can be changed into a prime (55485774469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256878478 + ... + 256878693.

Almost surely, 2^55485774468 is an apocalyptic number.

It is an amenable number.

55485774468 is an abundant number, since it is smaller than the sum of its proper divisors (88366233692).

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

55485774468 is a wasteful number, since it uses less digits than its factorization.

55485774468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513757184 (or 513757176 counting only the distinct ones).

The product of its digits is 150528000, while the sum is 63.

The spelling of 55485774468 in words is "fifty-five billion, four hundred eighty-five million, seven hundred seventy-four thousand, four hundred sixty-eight".