53660238 has 16 divisors (see below), whose sum is σ = 108832896. Its totient is φ = 17634680.

The previous prime is 53660227. The next prime is 53660261. The reversal of 53660238 is 83206635.

53660238 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 2×53660238² = 5758842284433288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53660199 and 53660208.

It is a congruent number.

It is an unprimeable number.

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, 62556 + ... + 63407.

It is an arithmetic number, because the mean of its divisors is an integer number (6802056).

Almost surely, 2^53660238 is an apocalyptic number.

53660238 is an abundant number, since it is smaller than the sum of its proper divisors (55172658).

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

53660238 is a wasteful number, since it uses less digits than its factorization.

53660238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126039.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 53660238 is about 7325.3148737785. The cubic root of 53660238 is about 377.1819182208.

The spelling of 53660238 in words is "fifty-three million, six hundred sixty thousand, two hundred thirty-eight".