53280370 has 128 divisors (see below), whose sum is σ = 124104960. Its totient is φ = 16174080.

The previous prime is 53280349. The next prime is 53280379. The reversal of 53280370 is 7308235.

It is not an unprimeable number, because it can be changed into a prime (53280379) 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, 1005264 + ... + 1005316.

It is an arithmetic number, because the mean of its divisors is an integer number (969570).

Almost surely, 2^53280370 is an apocalyptic number.

53280370 is an abundant number, since it is smaller than the sum of its proper divisors (70824590).

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

53280370 is a wasteful number, since it uses less digits than its factorization.

53280370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 53280370 is about 7299.3403811577. The cubic root of 53280370 is about 376.2897692719.

It can be divided in two parts, 53280 and 370, that multiplied together give a square (19713600 = 4440²).

The spelling of 53280370 in words is "fifty-three million, two hundred eighty thousand, three hundred seventy".