53081028 has 192 divisors, whose sum is σ = 185149440. Its totient is φ = 12700800.

The previous prime is 53081023. The next prime is 53081029. The reversal of 53081028 is 82018035.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 53080992 and 53081010.

It is not an unprimeable number, because it can be changed into a prime (53081023) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 107863 + ... + 108353.

It is an arithmetic number, because the mean of its divisors is an integer number (964320).

Almost surely, 2^53081028 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 53081028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92574720).

53081028 is an abundant number, since it is smaller than the sum of its proper divisors (132068412).

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

53081028 is a wasteful number, since it uses less digits than its factorization.

53081028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535 (or 527 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 53081028 is about 7285.6727897978. The cubic root of 53081028 is about 375.8199020552.

It can be divided in two parts, 5308 and 1028, that added together give a palindrome (6336).

The spelling of 53081028 in words is "fifty-three million, eighty-one thousand, twenty-eight".