53420039 has 8 divisors (see below), whose sum is σ = 56328240. Its totient is φ = 50521536.

The previous prime is 53420033. The next prime is 53420047. The reversal of 53420039 is 93002435.

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

It is a cyclic number.

It is not a de Polignac number, because 53420039 - 2⁸ = 53419783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53420033) 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, 10787 + ... + 14939.

It is an arithmetic number, because the mean of its divisors is an integer number (7041030).

Almost surely, 2^53420039 is an apocalyptic number.

53420039 is a deficient number, since it is larger than the sum of its proper divisors (2908201).

53420039 is a wasteful number, since it uses less digits than its factorization.

53420039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4849.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 53420039 is about 7308.9013538288. The cubic root of 53420039 is about 376.6182840023.

The spelling of 53420039 in words is "fifty-three million, four hundred twenty thousand, thirty-nine".