53000001 has 12 divisors (see below), whose sum is σ = 79391312. Its totient is φ = 35333172.

The previous prime is 52999967. The next prime is 53000011. The reversal of 53000001 is 10000035.

It is not a de Polignac number, because 53000001 - 2⁶ = 52999937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53000011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108811 + ... + 109296.

Almost surely, 2^53000001 is an apocalyptic number.

It is an amenable number.

53000001 is a deficient number, since it is larger than the sum of its proper divisors (26391311).

53000001 is an equidigital number, since it uses as much as digits as its factorization.

53000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218122 (or 218110 counting only the distinct ones).

The product of its (nonzero) digits is 15, while the sum is 9.

The square root of 53000001 is about 7280.1099579608. The cubic root of 53000001 is about 375.6285777846.

Adding to 53000001 its reverse (10000035), we get a palindrome (63000036).

The spelling of 53000001 in words is "fifty-three million, one", and thus it is an aban number and an uban number.