54485975821312 has 88 divisors (see below), whose sum is σ = 125428783265280. Its totient is φ = 23172879175680.

The previous prime is 54485975821261. The next prime is 54485975821313. The reversal of 54485975821312 is 21312857958445.

It is a super-2 number, since 2×54485975821312² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is not an unprimeable number, because it can be changed into a prime (54485975821313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28073512 + ... + 29951527.

It is an arithmetic number, because the mean of its divisors is an integer number (1425327082560).

Almost surely, 2^{54485975821312} is an apocalyptic number.

It is an amenable number.

54485975821312 is an abundant number, since it is smaller than the sum of its proper divisors (70942807443968).

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

54485975821312 is a wasteful number, since it uses less digits than its factorization.

54485975821312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58025197 (or 58025179 counting only the distinct ones).

The product of its digits is 96768000, while the sum is 64.

The spelling of 54485975821312 in words is "fifty-four trillion, four hundred eighty-five billion, nine hundred seventy-five million, eight hundred twenty-one thousand, three hundred twelve".