53360780 has 48 divisors (see below), whose sum is σ = 124346880. Its totient is φ = 19070400.

The previous prime is 53360779. The next prime is 53360789. The reversal of 53360780 is 8706335.

It is a happy number.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (53360789) 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, 10925 + ... + 15035.

It is an arithmetic number, because the mean of its divisors is an integer number (2590560).

Almost surely, 2^53360780 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 53360780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62173440).

53360780 is an abundant number, since it is smaller than the sum of its proper divisors (70986100).

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

53360780 is a wasteful number, since it uses less digits than its factorization.

53360780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4190 (or 4188 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 53360780 is about 7304.8463365084. The cubic root of 53360780 is about 376.4789712345.

The spelling of 53360780 in words is "fifty-three million, three hundred sixty thousand, seven hundred eighty".