53668830 has 64 divisors (see below), whose sum is σ = 139345920. Its totient is φ = 13177344.

The previous prime is 53668817. The next prime is 53668831. The reversal of 53668830 is 3886635.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53668831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22851 + ... + 25089.

It is an arithmetic number, because the mean of its divisors is an integer number (2177280).

Almost surely, 2^53668830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53668830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69672960).

53668830 is an abundant number, since it is smaller than the sum of its proper divisors (85677090).

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

53668830 is a wasteful number, since it uses less digits than its factorization.

53668830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 53668830 is about 7325.9013097366. The cubic root of 53668830 is about 377.2020484215.

It can be divided in two parts, 5366 and 8830, that added together give a triangular number (14196 = T₁₆₈).

The spelling of 53668830 in words is "fifty-three million, six hundred sixty-eight thousand, eight hundred thirty".