54815005 has 8 divisors (see below), whose sum is σ = 75174912. Its totient is φ = 37587408.

The previous prime is 54814999. The next prime is 54815009. The reversal of 54815005 is 50051845.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54815005 - 2³ = 54814997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54815009) 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, 783037 + ... + 783106.

It is an arithmetic number, because the mean of its divisors is an integer number (9396864).

Almost surely, 2^54815005 is an apocalyptic number.

It is an amenable number.

54815005 is a deficient number, since it is larger than the sum of its proper divisors (20359907).

54815005 is a wasteful number, since it uses less digits than its factorization.

54815005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566155.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 54815005 is about 7403.7156212270. The cubic root of 54815005 is about 379.8683870158.

The spelling of 54815005 in words is "fifty-four million, eight hundred fifteen thousand, five".