53007630 has 64 divisors (see below), whose sum is σ = 137894400. Its totient is φ = 12963456.

The previous prime is 53007623. The next prime is 53007659. The reversal of 53007630 is 3670035.

It is a self number, because there is not a number n which added to its sum of digits gives 53007630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77269 + ... + 77951.

It is an arithmetic number, because the mean of its divisors is an integer number (2154600).

Almost surely, 2^53007630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53007630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68947200).

53007630 is an abundant number, since it is smaller than the sum of its proper divisors (84886770).

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

53007630 is a wasteful number, since it uses less digits than its factorization.

53007630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905.

The product of its (nonzero) digits is 1890, while the sum is 24.

The square root of 53007630 is about 7280.6339009732. The cubic root of 53007630 is about 375.6466000039.

Adding to 53007630 its reverse (3670035), we get a palindrome (56677665).

The spelling of 53007630 in words is "fifty-three million, seven thousand, six hundred thirty".