54115405 has 8 divisors (see below), whose sum is σ = 64979712. Its totient is φ = 43264848.

The previous prime is 54115393. The next prime is 54115417. The reversal of 54115405 is 50451145.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (54115393) and next prime (54115417).

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 54115405 - 2¹³ = 54107213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54115405.

It is a congruent number.

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, 10024 + ... + 14446.

It is an arithmetic number, because the mean of its divisors is an integer number (8122464).

Almost surely, 2^54115405 is an apocalyptic number.

It is an amenable number.

54115405 is a deficient number, since it is larger than the sum of its proper divisors (10864307).

54115405 is a wasteful number, since it uses less digits than its factorization.

54115405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6875.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 54115405 is about 7356.3173531326. The cubic root of 54115405 is about 378.2453848410.

It can be divided in two parts, 5411 and 5405, that added together give a square (10816 = 104²).

The spelling of 54115405 in words is "fifty-four million, one hundred fifteen thousand, four hundred five".