53245686 has 16 divisors (see below), whose sum is σ = 114683184. Its totient is φ = 16383264.

The previous prime is 53245589. The next prime is 53245691. The reversal of 53245686 is 68654235.

It is a super-2 number, since 2×53245686² = 5670206155221192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341241 + ... + 341396.

It is an arithmetic number, because the mean of its divisors is an integer number (7167699).

Almost surely, 2^53245686 is an apocalyptic number.

53245686 is an abundant number, since it is smaller than the sum of its proper divisors (61437498).

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

53245686 is a wasteful number, since it uses less digits than its factorization.

53245686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682655.

The product of its digits is 172800, while the sum is 39.

The square root of 53245686 is about 7296.9641632668. The cubic root of 53245686 is about 376.2081002484.

The spelling of 53245686 in words is "fifty-three million, two hundred forty-five thousand, six hundred eighty-six".