53490204 has 36 divisors (see below), whose sum is σ = 135440760. Its totient is φ = 17799840.

The previous prime is 53490139. The next prime is 53490209. The reversal of 53490204 is 40209435.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×53490204² = 5722403847923232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53490209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33087 + ... + 34665.

Almost surely, 2^53490204 is an apocalyptic number.

It is an amenable number.

53490204 is an abundant number, since it is smaller than the sum of its proper divisors (81950556).

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

53490204 is a wasteful number, since it uses less digits than its factorization.

53490204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2530 (or 2525 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 53490204 is about 7313.6997477337. The cubic root of 53490204 is about 376.7831026812.

Adding to 53490204 its reverse (40209435), we get a palindrome (93699639).

The spelling of 53490204 in words is "fifty-three million, four hundred ninety thousand, two hundred four".