53820024 has 32 divisors (see below), whose sum is σ = 135450240. Its totient is φ = 17820000.

The previous prime is 53820017. The next prime is 53820031. The reversal of 53820024 is 42002835.

It is an interprime number because it is at equal distance from previous prime (53820017) and next prime (53820031).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 53819976 and 53820003.

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, 3802 + ... + 11049.

It is an arithmetic number, because the mean of its divisors is an integer number (4232820).

Almost surely, 2^53820024 is an apocalyptic number.

It is an amenable number.

53820024 is an abundant number, since it is smaller than the sum of its proper divisors (81630216).

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

53820024 is a wasteful number, since it uses less digits than its factorization.

53820024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15011 (or 15007 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 53820024 is about 7336.2131921039. The cubic root of 53820024 is about 377.5559299029. Note that the first 3 decimals are identical.

Adding to 53820024 its reverse (42002835), we get a palindrome (95822859).

The spelling of 53820024 in words is "fifty-three million, eight hundred twenty thousand, twenty-four".