53455280 has 40 divisors (see below), whose sum is σ = 126151152. Its totient is φ = 21060864.

The previous prime is 53455279. The next prime is 53455291. The reversal of 53455280 is 8255435.

It is a tau number, because it is divible by the number of its divisors (40).

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, 374 + ... + 10346.

Almost surely, 2^53455280 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 53455280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63075576).

53455280 is an abundant number, since it is smaller than the sum of its proper divisors (72695872).

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

53455280 is a wasteful number, since it uses less digits than its factorization.

53455280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10053 (or 10047 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 53455280 is about 7311.3117838046. The cubic root of 53455280 is about 376.7010836887.

It can be divided in two parts, 53455 and 280, that added together give a palindrome (53735).

The spelling of 53455280 in words is "fifty-three million, four hundred fifty-five thousand, two hundred eighty".