43642053 has 36 divisors (see below), whose sum is σ = 78031200. Its totient is φ = 23014368.

The previous prime is 43642021. The next prime is 43642061. The reversal of 43642053 is 35024634.

It is not a de Polignac number, because 43642053 - 2⁵ = 43642021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43642003) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8598 + ... + 12696.

Almost surely, 2^43642053 is an apocalyptic number.

It is an amenable number.

43642053 is a deficient number, since it is larger than the sum of its proper divisors (34389147).

43642053 is a wasteful number, since it uses less digits than its factorization.

43642053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4138 (or 4122 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 43642053 is about 6606.2132118181. The cubic root of 43642053 is about 352.0748942093.

Adding to 43642053 its reverse (35024634), we get a palindrome (78666687).

The spelling of 43642053 in words is "forty-three million, six hundred forty-two thousand, fifty-three".