53695990 has 8 divisors (see below), whose sum is σ = 96652800. Its totient is φ = 21478392.

The previous prime is 53695987. The next prime is 53696017. The reversal of 53695990 is 9959635.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 53695990.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2684790 + ... + 2684809.

It is an arithmetic number, because the mean of its divisors is an integer number (12081600).

Almost surely, 2^53695990 is an apocalyptic number.

53695990 is a deficient number, since it is larger than the sum of its proper divisors (42956810).

53695990 is a wasteful number, since it uses less digits than its factorization.

53695990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5369606.

The product of its (nonzero) digits is 328050, while the sum is 46.

The square root of 53695990 is about 7327.7547720977. The cubic root of 53695990 is about 377.2656674715.

The spelling of 53695990 in words is "fifty-three million, six hundred ninety-five thousand, nine hundred ninety".