53456505 has 8 divisors (see below), whose sum is σ = 85530432. Its totient is φ = 28510128.

The previous prime is 53456503. The next prime is 53456509. The reversal of 53456505 is 50565435.

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

It is not a de Polignac number, because 53456505 - 2¹ = 53456503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53456503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1781869 + ... + 1781898.

It is an arithmetic number, because the mean of its divisors is an integer number (10691304).

Almost surely, 2^53456505 is an apocalyptic number.

It is an amenable number.

53456505 is a deficient number, since it is larger than the sum of its proper divisors (32073927).

53456505 is a wasteful number, since it uses less digits than its factorization.

53456505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3563775.

The product of its (nonzero) digits is 45000, while the sum is 33.

The square root of 53456505 is about 7311.3955576210. The cubic root of 53456505 is about 376.7039612049.

The spelling of 53456505 in words is "fifty-three million, four hundred fifty-six thousand, five hundred five".