52890053 has 4 divisors (see below), whose sum is σ = 55673760. Its totient is φ = 50106348.

The previous prime is 52890049. The next prime is 52890059. The reversal of 52890053 is 35009825.

It is a happy number.

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 52890053 - 2² = 52890049 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 (52890059) 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, 1391825 + ... + 1391862.

It is an arithmetic number, because the mean of its divisors is an integer number (13918440).

Almost surely, 2^52890053 is an apocalyptic number.

It is an amenable number.

52890053 is a deficient number, since it is larger than the sum of its proper divisors (2783707).

52890053 is a wasteful number, since it uses less digits than its factorization.

52890053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783706.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 52890053 is about 7272.5547780680. The cubic root of 52890053 is about 375.3686519883.

Adding to 52890053 its reverse (35009825), we get a palindrome (87899878).

The spelling of 52890053 in words is "fifty-two million, eight hundred ninety thousand, fifty-three".