54115380 has 144 divisors (see below), whose sum is σ = 181254528. Its totient is φ = 12960000.

The previous prime is 54115379. The next prime is 54115393. The reversal of 54115380 is 8351145.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 298890 + ... + 299070.

It is an arithmetic number, because the mean of its divisors is an integer number (1258712).

Almost surely, 2^54115380 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 54115380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90627264).

54115380 is an abundant number, since it is smaller than the sum of its proper divisors (127139148).

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

54115380 is a wasteful number, since it uses less digits than its factorization.

54115380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 54115380 is about 7356.3156539126. The cubic root of 54115380 is about 378.2453265943.

The spelling of 54115380 in words is "fifty-four million, one hundred fifteen thousand, three hundred eighty".