53280913 has 8 divisors (see below), whose sum is σ = 62308928. Its totient is φ = 44607024.

The previous prime is 53280889. The next prime is 53280919. The reversal of 53280913 is 31908235.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53280913 - 2⁵ = 53280881 is a prime.

It is a super-2 number, since 2×53280913² = 5677711380227138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53280919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88206 + ... + 88807.

It is an arithmetic number, because the mean of its divisors is an integer number (7788616).

Almost surely, 2^53280913 is an apocalyptic number.

It is an amenable number.

53280913 is a deficient number, since it is larger than the sum of its proper divisors (9028015).

53280913 is a wasteful number, since it uses less digits than its factorization.

53280913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177063.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 53280913 is about 7299.3775762047. The cubic root of 53280913 is about 376.2910475704.

The spelling of 53280913 in words is "fifty-three million, two hundred eighty thousand, nine hundred thirteen".