54445512 has 32 divisors (see below), whose sum is σ = 148488480. Its totient is φ = 16498560.

The previous prime is 54445511. The next prime is 54445513. The reversal of 54445512 is 21554445.

It is an interprime number because it is at equal distance from previous prime (54445511) and next prime (54445513).

It is a self number, because there is not a number n which added to its sum of digits gives 54445512.

It is not an unprimeable number, because it can be changed into a prime (54445511) 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, 102853 + ... + 103380.

It is an arithmetic number, because the mean of its divisors is an integer number (4640265).

Almost surely, 2^54445512 is an apocalyptic number.

It is an amenable number.

54445512 is an abundant number, since it is smaller than the sum of its proper divisors (94042968).

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

54445512 is a wasteful number, since it uses less digits than its factorization.

54445512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206253 (or 206249 counting only the distinct ones).

The product of its digits is 16000, while the sum is 30.

The square root of 54445512 is about 7378.7202142377. The cubic root of 54445512 is about 379.0129322636.

Adding to 54445512 its reverse (21554445), we get a palindrome (75999957).

It can be divided in two parts, 544 and 45512, that added together give a triangular number (46056 = T₃₀₃).

The spelling of 54445512 in words is "fifty-four million, four hundred forty-five thousand, five hundred twelve".