53919016 has 8 divisors (see below), whose sum is σ = 101098170. Its totient is φ = 26959504.

The previous prime is 53919007. The next prime is 53919023. The reversal of 53919016 is 61091935.

It can be written as a sum of positive squares in only one way, i.e., 41344900 + 12574116 = 6430^2 + 3546^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3369931 + ... + 3369946.

Almost surely, 2^53919016 is an apocalyptic number.

It is an amenable number.

53919016 is a deficient number, since it is larger than the sum of its proper divisors (47179154).

53919016 is a wasteful number, since it uses less digits than its factorization.

53919016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6739883 (or 6739879 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 53919016 is about 7342.9568975992. The cubic root of 53919016 is about 377.7872696064.

The spelling of 53919016 in words is "fifty-three million, nine hundred nineteen thousand, sixteen".