53283315 has 16 divisors (see below), whose sum is σ = 89740800. Its totient is φ = 26921952.

The previous prime is 53283311. The next prime is 53283331. The reversal of 53283315 is 51338235.

It is not a de Polignac number, because 53283315 - 2² = 53283311 is a prime.

It is a super-2 number, since 2×53283315² = 5678223314778450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53283311) 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, 93195 + ... + 93764.

It is an arithmetic number, because the mean of its divisors is an integer number (5608800).

Almost surely, 2^53283315 is an apocalyptic number.

53283315 is a deficient number, since it is larger than the sum of its proper divisors (36457485).

53283315 is a wasteful number, since it uses less digits than its factorization.

53283315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186986.

The product of its digits is 10800, while the sum is 30.

The square root of 53283315 is about 7299.5421089271. The cubic root of 53283315 is about 376.2967021126.

The spelling of 53283315 in words is "fifty-three million, two hundred eighty-three thousand, three hundred fifteen".