53690425 has 6 divisors (see below), whose sum is σ = 66576158. Its totient is φ = 42952320.

The previous prime is 53690411. The next prime is 53690449. The reversal of 53690425 is 52409635.

It can be written as a sum of positive squares in 3 ways, for example, as 9174841 + 44515584 = 3029^2 + 6672^2 .

It is not a de Polignac number, because 53690425 - 2⁹ = 53689913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1073784 + ... + 1073833.

Almost surely, 2^53690425 is an apocalyptic number.

It is an amenable number.

53690425 is a deficient number, since it is larger than the sum of its proper divisors (12885733).

53690425 is a wasteful number, since it uses less digits than its factorization.

53690425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2147627 (or 2147622 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 53690425 is about 7327.3750415821. The cubic root of 53690425 is about 377.2526338727.

The spelling of 53690425 in words is "fifty-three million, six hundred ninety thousand, four hundred twenty-five".