53290845 has 16 divisors (see below), whose sum is σ = 94739520. Its totient is φ = 28421712.

The previous prime is 53290813. The next prime is 53290849. The reversal of 53290845 is 54809235.

It is not a de Polignac number, because 53290845 - 2⁵ = 53290813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53290849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197239 + ... + 197508.

It is an arithmetic number, because the mean of its divisors is an integer number (5921220).

Almost surely, 2^53290845 is an apocalyptic number.

It is an amenable number.

53290845 is a deficient number, since it is larger than the sum of its proper divisors (41448675).

53290845 is a wasteful number, since it uses less digits than its factorization.

53290845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394761 (or 394755 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 53290845 is about 7300.0578764829. The cubic root of 53290845 is about 376.3144273655.

The spelling of 53290845 in words is "fifty-three million, two hundred ninety thousand, eight hundred forty-five".