40000053 has 8 divisors (see below), whose sum is σ = 54237600. Its totient is φ = 26214608.

The previous prime is 40000033. The next prime is 40000061. The reversal of 40000053 is 35000004.

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

It is a cyclic number.

It is not a de Polignac number, because 40000053 - 2⁵ = 40000021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39999993 and 40000038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40000003) 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, 112818 + ... + 113171.

It is an arithmetic number, because the mean of its divisors is an integer number (6779700).

Almost surely, 2^40000053 is an apocalyptic number.

It is an amenable number.

40000053 is a deficient number, since it is larger than the sum of its proper divisors (14237547).

40000053 is a wasteful number, since it uses less digits than its factorization.

40000053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226051.

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 40000053 is about 6324.5595103533. The cubic root of 40000053 is about 341.9953403831.

Subtracting from 40000053 its product of nonzero digits (60), we obtain a palindrome (39999993).

Adding to 40000053 its reverse (35000004), we get a palindrome (75000057).

The spelling of 40000053 in words is "forty million, fifty-three", and thus it is an aban number and an uban number.