53857330 has 16 divisors (see below), whose sum is σ = 97151040. Its totient is φ = 21496752.

The previous prime is 53857277. The next prime is 53857337. The reversal of 53857330 is 3375835.

It is a happy number.

53857330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×53857330² = 5801223989457800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53857337) 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 7 ways as a sum of consecutive naturals, for example, 660 + ... + 10399.

It is an arithmetic number, because the mean of its divisors is an integer number (6071940).

Almost surely, 2^53857330 is an apocalyptic number.

53857330 is a deficient number, since it is larger than the sum of its proper divisors (43293710).

53857330 is a wasteful number, since it uses less digits than its factorization.

53857330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11553.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 53857330 is about 7338.7553440621. The cubic root of 53857330 is about 377.6431455729.

The spelling of 53857330 in words is "fifty-three million, eight hundred fifty-seven thousand, three hundred thirty".