53425405 has 8 divisors (see below), whose sum is σ = 69938784. Its totient is φ = 38854800.

The previous prime is 53425387. The next prime is 53425423. The reversal of 53425405 is 50452435.

It is an interprime number because it is at equal distance from previous prime (53425387) and next prime (53425423).

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

It is not a de Polignac number, because 53425405 - 2⁹ = 53424893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485631 + ... + 485740.

It is an arithmetic number, because the mean of its divisors is an integer number (8742348).

Almost surely, 2^53425405 is an apocalyptic number.

53425405 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53425405 is a deficient number, since it is larger than the sum of its proper divisors (16513379).

53425405 is a wasteful number, since it uses less digits than its factorization.

53425405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971387.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 53425405 is about 7309.2684312454. The cubic root of 53425405 is about 376.6308939148.

The spelling of 53425405 in words is "fifty-three million, four hundred twenty-five thousand, four hundred five".