53942816 has 12 divisors (see below), whose sum is σ = 106199982. Its totient is φ = 26971392.

The previous prime is 53942807. The next prime is 53942827. The reversal of 53942816 is 61824935.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 48163600 + 5779216 = 6940^2 + 2404^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53942816.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 842825 + ... + 842888.

Almost surely, 2^53942816 is an apocalyptic number.

It is an amenable number.

53942816 is a deficient number, since it is larger than the sum of its proper divisors (52257166).

53942816 is a wasteful number, since it uses less digits than its factorization.

53942816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685723 (or 1685715 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 53942816 is about 7344.5773193561. The cubic root of 53942816 is about 377.8428468720.

The spelling of 53942816 in words is "fifty-three million, nine hundred forty-two thousand, eight hundred sixteen".