53112429 has 20 divisors (see below), whose sum is σ = 83519040. Its totient is φ = 33543720.

The previous prime is 53112407. The next prime is 53112431. The reversal of 53112429 is 92421135.

53112429 is a `hidden beast` number, since 531 + 124 + 2 + 9 = 666.

It is not a de Polignac number, because 53112429 - 2¹⁶ = 53046893 is a prime.

It is a super-2 number, since 2×53112429² = 5641860228560082, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53112469) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15717 + ... + 18794.

It is an arithmetic number, because the mean of its divisors is an integer number (4175952).

Almost surely, 2^53112429 is an apocalyptic number.

It is an amenable number.

53112429 is a deficient number, since it is larger than the sum of its proper divisors (30406611).

53112429 is a wasteful number, since it uses less digits than its factorization.

53112429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34542 (or 34533 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 53112429 is about 7287.8274540497. The cubic root of 53112429 is about 375.8939950340.

The spelling of 53112429 in words is "fifty-three million, one hundred twelve thousand, four hundred twenty-nine".