54112505 has 8 divisors (see below), whose sum is σ = 65531400. Its totient is φ = 42892416.

The previous prime is 54112501. The next prime is 54112529. The reversal of 54112505 is 50521145.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 27321529 + 26790976 = 5227^2 + 5176^2 .

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 54112505 - 2² = 54112501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54112501) 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, 49100 + ... + 50189.

It is an arithmetic number, because the mean of its divisors is an integer number (8191425).

Almost surely, 2^54112505 is an apocalyptic number.

It is an amenable number.

54112505 is a deficient number, since it is larger than the sum of its proper divisors (11418895).

54112505 is a wasteful number, since it uses less digits than its factorization.

54112505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99403.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 54112505 is about 7356.1202409966. The cubic root of 54112505 is about 378.2386281007.

The spelling of 54112505 in words is "fifty-four million, one hundred twelve thousand, five hundred five".