53162780 has 48 divisors (see below), whose sum is σ = 122605056. Its totient is φ = 19202880.

The previous prime is 53162743. The next prime is 53162783. The reversal of 53162780 is 8726135.

It is a happy number.

53162780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53162783) 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 15 ways as a sum of consecutive naturals, for example, 36017 + ... + 37463.

It is an arithmetic number, because the mean of its divisors is an integer number (2554272).

Almost surely, 2^53162780 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 53162780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61302528).

53162780 is an abundant number, since it is smaller than the sum of its proper divisors (69442276).

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

53162780 is a wasteful number, since it uses less digits than its factorization.

53162780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634 (or 1632 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 53162780 is about 7291.2810945677. The cubic root of 53162780 is about 376.0127410048.

The spelling of 53162780 in words is "fifty-three million, one hundred sixty-two thousand, seven hundred eighty".