53490 has 16 divisors (see below), whose sum is σ = 128448. Its totient is φ = 14256.

The previous prime is 53479. The next prime is 53503. The reversal of 53490 is 9435.

53490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×53490² = 5722360200, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 53490.

It is an unprimeable number.

53490 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 862 + ... + 921.

It is an arithmetic number, because the mean of its divisors is an integer number (8028).

2⁵³⁴⁹⁰ is an apocalyptic number.

53490 is an abundant number, since it is smaller than the sum of its proper divisors (74958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64224).

53490 is a wasteful number, since it uses less digits than its factorization.

53490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 53490 is about 231.2790522291. The cubic root of 53490 is about 37.6782623691.

The spelling of 53490 in words is "fifty-three thousand, four hundred ninety".