52989901 has 4 divisors (see below), whose sum is σ = 56106972. Its totient is φ = 49872832.

The previous prime is 52989869. The next prime is 52989967. The reversal of 52989901 is 10998925.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24740676 + 28249225 = 4974^2 + 5315^2 .

It is not a de Polignac number, because 52989901 - 2⁵ = 52989869 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 (52989971) 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, 1558510 + ... + 1558543.

It is an arithmetic number, because the mean of its divisors is an integer number (14026743).

Almost surely, 2^52989901 is an apocalyptic number.

It is an amenable number.

52989901 is a deficient number, since it is larger than the sum of its proper divisors (3117071).

52989901 is a wasteful number, since it uses less digits than its factorization.

52989901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117070.

The product of its (nonzero) digits is 58320, while the sum is 43.

The square root of 52989901 is about 7279.4162540687. The cubic root of 52989901 is about 375.6047155859.

The spelling of 52989901 in words is "fifty-two million, nine hundred eighty-nine thousand, nine hundred one".