54115632 has 120 divisors (see below), whose sum is σ = 157847040. Its totient is φ = 17297280.

The previous prime is 54115631. The next prime is 54115639. The reversal of 54115632 is 23651145.

It is a junction number, because it is equal to n+sod(n) for n = 54115596 and 54115605.

It is not an unprimeable number, because it can be changed into a prime (54115631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 684969 + ... + 685047.

It is an arithmetic number, because the mean of its divisors is an integer number (1315392).

Almost surely, 2^54115632 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 54115632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78923520).

54115632 is an abundant number, since it is smaller than the sum of its proper divisors (103731408).

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

54115632 is a wasteful number, since it uses less digits than its factorization.

54115632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 222 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 54115632 is about 7356.3327820321. The cubic root of 54115632 is about 378.2459137205.

Adding to 54115632 its reverse (23651145), we get a palindrome (77766777).

The spelling of 54115632 in words is "fifty-four million, one hundred fifteen thousand, six hundred thirty-two".