53690012 has 24 divisors (see below), whose sum is σ = 100283904. Its totient is φ = 25062912.

The previous prime is 53690011. The next prime is 53690023. The reversal of 53690012 is 21009635.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53690011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5528 + ... + 11744.

It is an arithmetic number, because the mean of its divisors is an integer number (4178496).

Almost surely, 2^53690012 is an apocalyptic number.

It is an amenable number.

53690012 is a deficient number, since it is larger than the sum of its proper divisors (46593892).

53690012 is a wasteful number, since it uses less digits than its factorization.

53690012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6365 (or 6363 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 53690012 is about 7327.3468595393. The cubic root of 53690012 is about 377.2516665634.

Adding to 53690012 its reverse (21009635), we get a palindrome (74699647).

The spelling of 53690012 in words is "fifty-three million, six hundred ninety thousand, twelve".