53000061 has 4 divisors (see below), whose sum is σ = 70666752. Its totient is φ = 35333372.

The previous prime is 53000047. The next prime is 53000069. The reversal of 53000061 is 16000035.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53000061 - 2⁹ = 52999549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53000061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53000069) 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, 8833341 + ... + 8833346.

It is an arithmetic number, because the mean of its divisors is an integer number (17666688).

Almost surely, 2^53000061 is an apocalyptic number.

It is an amenable number.

53000061 is a deficient number, since it is larger than the sum of its proper divisors (17666691).

53000061 is a wasteful number, since it uses less digits than its factorization.

53000061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17666690.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 53000061 is about 7280.1140787765. The cubic root of 53000061 is about 375.6287195311.

Adding to 53000061 its reverse (16000035), we get a palindrome (69000096).

The spelling of 53000061 in words is "fifty-three million, sixty-one", and thus it is an aban number and an uban number.