53663420 has 24 divisors (see below), whose sum is σ = 113120448. Its totient is φ = 21384000.

The previous prime is 53663377. The next prime is 53663443. The reversal of 53663420 is 2436635.

It is a super-3 number, since 3×53663420³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470 + ... + 10370.

It is an arithmetic number, because the mean of its divisors is an integer number (4713352).

Almost surely, 2^53663420 is an apocalyptic number.

It is an amenable number.

53663420 is an abundant number, since it is smaller than the sum of its proper divisors (59457028).

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

53663420 is a wasteful number, since it uses less digits than its factorization.

53663420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10181 (or 10179 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 53663420 is about 7325.5320625877. The cubic root of 53663420 is about 377.1893735805.

The spelling of 53663420 in words is "fifty-three million, six hundred sixty-three thousand, four hundred twenty".