53013331 has 8 divisors (see below), whose sum is σ = 61580384. Its totient is φ = 44694720.

The previous prime is 53013299. The next prime is 53013343. The reversal of 53013331 is 13331035.

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

It is not a de Polignac number, because 53013331 - 2⁵ = 53013299 is a prime.

It is a super-2 number, since 2×53013331² = 5620826527431122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53013299 and 53013308.

It is not an unprimeable number, because it can be changed into a prime (53013391) 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, 61650 + ... + 62503.

It is an arithmetic number, because the mean of its divisors is an integer number (7697548).

Almost surely, 2^53013331 is an apocalyptic number.

53013331 is a deficient number, since it is larger than the sum of its proper divisors (8567053).

53013331 is a wasteful number, since it uses less digits than its factorization.

53013331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124221.

The product of its (nonzero) digits is 405, while the sum is 19.

The square root of 53013331 is about 7281.0254085534. The cubic root of 53013331 is about 375.6600665212.

Adding to 53013331 its reverse (13331035), we get a palindrome (66344366).

It can be divided in two parts, 530 and 13331, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 53013331 in words is "fifty-three million, thirteen thousand, three hundred thirty-one".