53689806 has 24 divisors (see below), whose sum is σ = 116471160. Its totient is φ = 17874576.

The previous prime is 53689781. The next prime is 53689807. The reversal of 53689806 is 60898635.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53689807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20605 + ... + 23063.

It is an arithmetic number, because the mean of its divisors is an integer number (4852965).

Almost surely, 2^53689806 is an apocalyptic number.

53689806 is an abundant number, since it is smaller than the sum of its proper divisors (62781354).

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

53689806 is a wasteful number, since it uses less digits than its factorization.

53689806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3680 (or 3677 counting only the distinct ones).

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

The square root of 53689806 is about 7327.3328025960. The cubic root of 53689806 is about 377.2511840780.

The spelling of 53689806 in words is "fifty-three million, six hundred eighty-nine thousand, eight hundred six".