53842690 has 16 divisors (see below), whose sum is σ = 105727680. Its totient is φ = 19579120.

The previous prime is 53842667. The next prime is 53842697. The reversal of 53842690 is 9624835.

It is a super-2 number, since 2×53842690² = 5798070532872200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53842697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244630 + ... + 244849.

It is an arithmetic number, because the mean of its divisors is an integer number (6607980).

Almost surely, 2^53842690 is an apocalyptic number.

53842690 is a deficient number, since it is larger than the sum of its proper divisors (51884990).

53842690 is a wasteful number, since it uses less digits than its factorization.

53842690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489497.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 53842690 is about 7337.7578319266. The cubic root of 53842690 is about 377.6089243154.

The spelling of 53842690 in words is "fifty-three million, eight hundred forty-two thousand, six hundred ninety".