53055780 has 48 divisors (see below), whose sum is σ = 152577600. Its totient is φ = 13765248.

The previous prime is 53055773. The next prime is 53055781. The reversal of 53055780 is 8755035.

It is not an unprimeable number, because it can be changed into a prime (53055781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9730 + ... + 14169.

It is an arithmetic number, because the mean of its divisors is an integer number (3178700).

Almost surely, 2^53055780 is an apocalyptic number.

It is an amenable number.

53055780 is an abundant number, since it is smaller than the sum of its proper divisors (99521820).

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

53055780 is a wasteful number, since it uses less digits than its factorization.

53055780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23948 (or 23946 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 53055780 is about 7283.9398679561. The cubic root of 53055780 is about 375.7603063385.

It can be divided in two parts, 53055 and 780, that added together give a palindrome (53835).

The spelling of 53055780 in words is "fifty-three million, fifty-five thousand, seven hundred eighty".