54451221120 has 96 divisors (see below), whose sum is σ = 188026892820. Its totient is φ = 14520324096.

The previous prime is 54451221107. The next prime is 54451221133. The reversal of 54451221120 is 2112215445.

It is a happy number.

54451221120 is a `hidden beast` number, since 5 + 4 + 4 + 512 + 21 + 120 = 666.

It is an interprime number because it is at equal distance from previous prime (54451221107) and next prime (54451221133).

It can be written as a sum of positive squares in 2 ways, for example, as 54117647424 + 333573696 = 232632^2 + 18264^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×54451221120³ (a number of 33 digits) contains 333 as substring.

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, 4720909 + ... + 4732428.

Almost surely, 2^54451221120 is an apocalyptic number.

It is an amenable number.

54451221120 is an abundant number, since it is smaller than the sum of its proper divisors (133575671700).

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

54451221120 is a wasteful number, since it uses less digits than its factorization.

54451221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9453362 (or 9453347 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 54451221120 its reverse (2112215445), we get a palindrome (56563436565).

The spelling of 54451221120 in words is "fifty-four billion, four hundred fifty-one million, two hundred twenty-one thousand, one hundred twenty".