54109512 has 64 divisors (see below), whose sum is σ = 150921600. Its totient is φ = 17962560.

The previous prime is 54109483. The next prime is 54109513. The reversal of 54109512 is 21590145.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (54109513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85437 + ... + 86067.

It is an arithmetic number, because the mean of its divisors is an integer number (2358150).

Almost surely, 2^54109512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54109512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75460800).

54109512 is an abundant number, since it is smaller than the sum of its proper divisors (96812088).

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

54109512 is a wasteful number, since it uses less digits than its factorization.

54109512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043 (or 1033 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 54109512 is about 7355.9168021396. The cubic root of 54109512 is about 378.2316544256.

Adding to 54109512 its reverse (21590145), we get a palindrome (75699657).

The spelling of 54109512 in words is "fifty-four million, one hundred nine thousand, five hundred twelve".