54117860 has 24 divisors (see below), whose sum is σ = 114311736. Its totient is φ = 21520640.

The previous prime is 54117839. The next prime is 54117881. The reversal of 54117860 is 6871145.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (54117839) and next prime (54117881).

It can be written as a sum of positive squares in 4 ways, for example, as 34386496 + 19731364 = 5864^2 + 4442^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4361 + ... + 11280.

It is an arithmetic number, because the mean of its divisors is an integer number (4762989).

Almost surely, 2^54117860 is an apocalyptic number.

It is an amenable number.

54117860 is an abundant number, since it is smaller than the sum of its proper divisors (60193876).

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

54117860 is a wasteful number, since it uses less digits than its factorization.

54117860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15823 (or 15821 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 54117860 is about 7356.4842146232. The cubic root of 54117860 is about 378.2511045825.

The spelling of 54117860 in words is "fifty-four million, one hundred seventeen thousand, eight hundred sixty".