53282639 has 4 divisors (see below), whose sum is σ = 53355480. Its totient is φ = 53209800.

The previous prime is 53282617. The next prime is 53282653. The reversal of 53282639 is 93628235.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93628235 = 5 ⋅18725647.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53282639 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 (53282659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35312 + ... + 36789.

It is an arithmetic number, because the mean of its divisors is an integer number (13338870).

Almost surely, 2^53282639 is an apocalyptic number.

53282639 is a deficient number, since it is larger than the sum of its proper divisors (72841).

53282639 is an equidigital number, since it uses as much as digits as its factorization.

53282639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72840.

The product of its digits is 77760, while the sum is 38.

The square root of 53282639 is about 7299.4958045060. The cubic root of 53282639 is about 376.2951107599.

The spelling of 53282639 in words is "fifty-three million, two hundred eighty-two thousand, six hundred thirty-nine".