53349285 has 32 divisors (see below), whose sum is σ = 93506688. Its totient is φ = 25758720.

The previous prime is 53349269. The next prime is 53349293. The reversal of 53349285 is 58294335.

53349285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

53349285 is a nontrivial binomial coefficient, being equal to C(10330, 2).

It is not a de Polignac number, because 53349285 - 2⁴ = 53349269 is a prime.

It is a super-2 number, since 2×53349285² = 5692292420022450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51129 + ... + 52161.

It is an arithmetic number, because the mean of its divisors is an integer number (2922084).

Almost surely, 2^53349285 is an apocalyptic number.

53349285 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

53349285 is the 10329-th triangular number and also the 5165-th hexagonal number.

It is an amenable number.

53349285 is a deficient number, since it is larger than the sum of its proper divisors (40157403).

53349285 is a wasteful number, since it uses less digits than its factorization.

53349285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365.

The product of its digits is 129600, while the sum is 39.

The square root of 53349285 is about 7304.0594877096. The cubic root of 53349285 is about 376.4519355442.

The spelling of 53349285 in words is "fifty-three million, three hundred forty-nine thousand, two hundred eighty-five".