53415605 has 8 divisors (see below), whose sum is σ = 65831352. Its totient is φ = 41577408.

The previous prime is 53415601. The next prime is 53415617. The reversal of 53415605 is 50651435.

It can be written as a sum of positive squares in 4 ways, for example, as 17247409 + 36168196 = 4153^2 + 6014^2 .

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 53415605 - 2² = 53415601 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 (53415601) 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, 144182 + ... + 144551.

It is an arithmetic number, because the mean of its divisors is an integer number (8228919).

Almost surely, 2^53415605 is an apocalyptic number.

It is an amenable number.

53415605 is a deficient number, since it is larger than the sum of its proper divisors (12415747).

53415605 is a wasteful number, since it uses less digits than its factorization.

53415605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288775.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 53415605 is about 7308.5980187721. The cubic root of 53415605 is about 376.6078636201.

The spelling of 53415605 in words is "fifty-three million, four hundred fifteen thousand, six hundred five".