53890 has 16 divisors (see below), whose sum is σ = 103032. Its totient is φ = 20224.

The previous prime is 53887. The next prime is 53891. The reversal of 53890 is 9835.

It can be written as a sum of positive squares in 4 ways, for example, as 37249 + 16641 = 193^2 + 129^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53891) 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, 12 + ... + 328.

2⁵³⁸⁹⁰ is an apocalyptic number.

53890 is a deficient number, since it is larger than the sum of its proper divisors (49142).

53890 is a wasteful number, since it uses less digits than its factorization.

53890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 53890 is about 232.1421978013. The cubic root of 53890 is about 37.7719489918.

The spelling of 53890 in words is "fifty-three thousand, eight hundred ninety".