53944690 has 16 divisors (see below), whose sum is σ = 97511040. Its totient is φ = 21486640.

The previous prime is 53944663. The next prime is 53944691. The reversal of 53944690 is 9644935.

53944690 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 2×53944690² = 5820059158392200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53944691) 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, 8896 + ... + 13675.

It is an arithmetic number, because the mean of its divisors is an integer number (6094440).

Almost surely, 2^53944690 is an apocalyptic number.

53944690 is a deficient number, since it is larger than the sum of its proper divisors (43566350).

53944690 is a wasteful number, since it uses less digits than its factorization.

53944690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22817.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 53944690 is about 7344.7048953651. The cubic root of 53944690 is about 377.8472223035.

The spelling of 53944690 in words is "fifty-three million, nine hundred forty-four thousand, six hundred ninety".