53090885 has 4 divisors (see below), whose sum is σ = 63709068. Its totient is φ = 42472704.

The previous prime is 53090861. The next prime is 53090887. The reversal of 53090885 is 58809035.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40742689 + 12348196 = 6383^2 + 3514^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53090885 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 (53090887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5309084 + ... + 5309093.

It is an arithmetic number, because the mean of its divisors is an integer number (15927267).

Almost surely, 2^53090885 is an apocalyptic number.

It is an amenable number.

53090885 is a deficient number, since it is larger than the sum of its proper divisors (10618183).

53090885 is a wasteful number, since it uses less digits than its factorization.

53090885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10618182.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 53090885 is about 7286.3492230334. The cubic root of 53090885 is about 375.8431635206.

The spelling of 53090885 in words is "fifty-three million, ninety thousand, eight hundred eighty-five".