53023680 has 336 divisors, whose sum is σ = 209031840. Its totient is φ = 12607488.

The previous prime is 53023603. The next prime is 53023681. The reversal of 53023680 is 8632035.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53023681) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2790711 + ... + 2790729.

Almost surely, 2^53023680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53023680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104515920).

53023680 is an abundant number, since it is smaller than the sum of its proper divisors (156008160).

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

53023680 is a wasteful number, since it uses less digits than its factorization.

53023680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 46 counting only the distinct ones).

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

The square root of 53023680 is about 7281.7360567381. The cubic root of 53023680 is about 375.6845097634.

The spelling of 53023680 in words is "fifty-three million, twenty-three thousand, six hundred eighty".