53283581 has 8 divisors (see below), whose sum is σ = 60402720. Its totient is φ = 46595952.

The previous prime is 53283577. The next prime is 53283599. The reversal of 53283581 is 18538235.

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

It is not a de Polignac number, because 53283581 - 2² = 53283577 is a prime.

It is a super-2 number, since 2×53283581² = 5678280008367122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53283551) 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, 107615 + ... + 108108.

It is an arithmetic number, because the mean of its divisors is an integer number (7550340).

Almost surely, 2^53283581 is an apocalyptic number.

It is an amenable number.

53283581 is a deficient number, since it is larger than the sum of its proper divisors (7119139).

53283581 is a wasteful number, since it uses less digits than its factorization.

53283581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215755.

The product of its digits is 28800, while the sum is 35.

The square root of 53283581 is about 7299.5603292253. The cubic root of 53283581 is about 376.2973282921.

The spelling of 53283581 in words is "fifty-three million, two hundred eighty-three thousand, five hundred eighty-one".