53440235 has 8 divisors (see below), whose sum is σ = 64174896. Its totient is φ = 42721120.

The previous prime is 53440223. The next prime is 53440237. The reversal of 53440235 is 53204435.

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

It is not a de Polignac number, because 53440235 - 2⁸ = 53439979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53440237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5945 + ... + 11925.

It is an arithmetic number, because the mean of its divisors is an integer number (8021862).

Almost surely, 2^53440235 is an apocalyptic number.

53440235 is a deficient number, since it is larger than the sum of its proper divisors (10734661).

53440235 is a wasteful number, since it uses less digits than its factorization.

53440235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7773.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 53440235 is about 7310.2828262660. The cubic root of 53440235 is about 376.6657395057.

The spelling of 53440235 in words is "fifty-three million, four hundred forty thousand, two hundred thirty-five".