53690886 has 12 divisors (see below), whose sum is σ = 116330292. Its totient is φ = 17896956.

The previous prime is 53690881. The next prime is 53690887. The reversal of 53690886 is 68809635.

It is a super-2 number, since 2×53690886² = 5765422478929992, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53690881) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1491396 + ... + 1491431.

It is an arithmetic number, because the mean of its divisors is an integer number (9694191).

Almost surely, 2^53690886 is an apocalyptic number.

53690886 is an abundant number, since it is smaller than the sum of its proper divisors (62639406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53690886 is a wasteful number, since it uses less digits than its factorization.

53690886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982835 (or 2982832 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 53690886 is about 7327.4064988917. The cubic root of 53690886 is about 377.2537135995.

The spelling of 53690886 in words is "fifty-three million, six hundred ninety thousand, eight hundred eighty-six".