53658330 has 32 divisors (see below), whose sum is σ = 140488128. Its totient is φ = 13008000.

The previous prime is 53658329. The next prime is 53658331. The reversal of 53658330 is 3385635.

53658330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53658329) and next prime (53658331).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 53658291 and 53658300.

It is not an unprimeable number, because it can be changed into a prime (53658331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80971 + ... + 81630.

It is an arithmetic number, because the mean of its divisors is an integer number (4390254).

Almost surely, 2^53658330 is an apocalyptic number.

53658330 is an abundant number, since it is smaller than the sum of its proper divisors (86829798).

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

53658330 is a wasteful number, since it uses less digits than its factorization.

53658330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162622.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 53658330 is about 7325.1846393111. The cubic root of 53658330 is about 377.1774476751.

It can be divided in two parts, 5365 and 8330, that added together give a triangular number (13695 = T₁₆₅).

The spelling of 53658330 in words is "fifty-three million, six hundred fifty-eight thousand, three hundred thirty".