53916505 has 8 divisors (see below), whose sum is σ = 64743552. Its totient is φ = 43104048.

The previous prime is 53916491. The next prime is 53916521. The reversal of 53916505 is 50561935.

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 53916505 - 2⁷ = 53916377 is a prime.

It is a super-2 number, since 2×53916505² = 5813979022830050, which contains 22 as substring.

It is a Duffinian 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, 7702 + ... + 12928.

It is an arithmetic number, because the mean of its divisors is an integer number (8092944).

Almost surely, 2^53916505 is an apocalyptic number.

It is an amenable number.

53916505 is a deficient number, since it is larger than the sum of its proper divisors (10827047).

53916505 is a wasteful number, since it uses less digits than its factorization.

53916505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7295.

The product of its (nonzero) digits is 20250, while the sum is 34.

The square root of 53916505 is about 7342.7859154411. The cubic root of 53916505 is about 377.7814050177.

The spelling of 53916505 in words is "fifty-three million, nine hundred sixteen thousand, five hundred five".