53004429 has 8 divisors (see below), whose sum is σ = 78525120. Its totient is φ = 35336268.

The previous prime is 53004409. The next prime is 53004449. The reversal of 53004429 is 92440035.

It is an interprime number because it is at equal distance from previous prime (53004409) and next prime (53004449).

It is not a de Polignac number, because 53004429 - 2⁹ = 53003917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1963127 = 53004429 / (5 + 3 + 0 + 0 + 4 + 4 + 2 + 9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53004409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 981537 + ... + 981590.

It is an arithmetic number, because the mean of its divisors is an integer number (9815640).

Almost surely, 2^53004429 is an apocalyptic number.

It is an amenable number.

53004429 is a deficient number, since it is larger than the sum of its proper divisors (25520691).

53004429 is a wasteful number, since it uses less digits than its factorization.

53004429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963136 (or 1963130 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 53004429 is about 7280.4140678948. The cubic root of 53004429 is about 375.6390383946.

The spelling of 53004429 in words is "fifty-three million, four thousand, four hundred twenty-nine".