53289393 has 8 divisors (see below), whose sum is σ = 71148000. Its totient is φ = 35478528.

The previous prime is 53289377. The next prime is 53289409. The reversal of 53289393 is 39398235.

It is an interprime number because it is at equal distance from previous prime (53289377) and next prime (53289409).

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

It is not a de Polignac number, because 53289393 - 2⁴ = 53289377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53289193) 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, 9243 + ... + 13856.

It is an arithmetic number, because the mean of its divisors is an integer number (8893500).

Almost surely, 2^53289393 is an apocalyptic number.

It is an amenable number.

53289393 is a deficient number, since it is larger than the sum of its proper divisors (17858607).

53289393 is a wasteful number, since it uses less digits than its factorization.

53289393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23871.

The product of its digits is 174960, while the sum is 42.

The square root of 53289393 is about 7299.9584245391. The cubic root of 53289393 is about 376.3110095583.

The spelling of 53289393 in words is "fifty-three million, two hundred eighty-nine thousand, three hundred ninety-three".