53032491 has 12 divisors (see below), whose sum is σ = 76719760. Its totient is φ = 35300880.

The previous prime is 53032471. The next prime is 53032493. The reversal of 53032491 is 19423035.

53032491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53032491 - 2¹³ = 53024299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53032493) 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 in 11 ways as a sum of consecutive naturals, for example, 2226 + ... + 10536.

Almost surely, 2^53032491 is an apocalyptic number.

53032491 is a deficient number, since it is larger than the sum of its proper divisors (23687269).

53032491 is a wasteful number, since it uses less digits than its factorization.

53032491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9026 (or 9023 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 53032491 is about 7282.3410384299. The cubic root of 53032491 is about 375.7053179060.

The spelling of 53032491 in words is "fifty-three million, thirty-two thousand, four hundred ninety-one".