53085429 has 8 divisors (see below), whose sum is σ = 78645120. Its totient is φ = 35390268.

The previous prime is 53085413. The next prime is 53085451. The reversal of 53085429 is 92458035.

53085429 is a `hidden beast` number, since 530 + 85 + 42 + 9 = 666.

It is not a de Polignac number, because 53085429 - 2⁴ = 53085413 is a prime.

It is a super-2 number, since 2×53085429² = 5636125544228082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53085393 and 53085402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53085469) 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, 983037 + ... + 983090.

It is an arithmetic number, because the mean of its divisors is an integer number (9830640).

Almost surely, 2^53085429 is an apocalyptic number.

It is an amenable number.

53085429 is a deficient number, since it is larger than the sum of its proper divisors (25559691).

53085429 is a wasteful number, since it uses less digits than its factorization.

53085429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966136 (or 1966130 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 53085429 is about 7285.9748146696. The cubic root of 53085429 is about 375.8302883001.

The spelling of 53085429 in words is "fifty-three million, eighty-five thousand, four hundred twenty-nine".