53308516 has 6 divisors (see below), whose sum is σ = 93289910. Its totient is φ = 26654256.

The previous prime is 53308511. The next prime is 53308523. The reversal of 53308516 is 61580335.

53308516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 46785600 + 6522916 = 6840^2 + 2554^2 .

It is not an unprimeable number, because it can be changed into a prime (53308511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6663561 + ... + 6663568.

Almost surely, 2^53308516 is an apocalyptic number.

It is an amenable number.

53308516 is a deficient number, since it is larger than the sum of its proper divisors (39981394).

53308516 is a wasteful number, since it uses less digits than its factorization.

53308516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13327133 (or 13327131 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 53308516 is about 7301.2681090342. The cubic root of 53308516 is about 376.3560174820.

It can be divided in two parts, 53308 and 516, that added together give a square (53824 = 232²).

The spelling of 53308516 in words is "fifty-three million, three hundred eight thousand, five hundred sixteen".