53662520 has 32 divisors (see below), whose sum is σ = 121223520. Its totient is φ = 21379200.

The previous prime is 53662507. The next prime is 53662529. The reversal of 53662520 is 2526635.

It is a happy number.

53662520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53662529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7970 + ... + 13070.

It is an arithmetic number, because the mean of its divisors is an integer number (3788235).

Almost surely, 2^53662520 is an apocalyptic number.

It is an amenable number.

53662520 is an abundant number, since it is smaller than the sum of its proper divisors (67561000).

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

53662520 is a wasteful number, since it uses less digits than its factorization.

53662520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5375 (or 5371 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 53662520 is about 7325.4706333450. The cubic root of 53662520 is about 377.1872649292.

The spelling of 53662520 in words is "fifty-three million, six hundred sixty-two thousand, five hundred twenty".