53930238 has 32 divisors (see below), whose sum is σ = 111302304. Its totient is φ = 17407872.

The previous prime is 53930237. The next prime is 53930249. The reversal of 53930238 is 83203935.

It is a junction number, because it is equal to n+sod(n) for n = 53930199 and 53930208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53930231) 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 15 ways as a sum of consecutive naturals, for example, 61056 + ... + 61932.

It is an arithmetic number, because the mean of its divisors is an integer number (3478197).

Almost surely, 2^53930238 is an apocalyptic number.

53930238 is an abundant number, since it is smaller than the sum of its proper divisors (57372066).

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

53930238 is a wasteful number, since it uses less digits than its factorization.

53930238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 53930238 is about 7343.7209914321. The cubic root of 53930238 is about 377.8134770250.

The spelling of 53930238 in words is "fifty-three million, nine hundred thirty thousand, two hundred thirty-eight".