53078709 has 16 divisors (see below), whose sum is σ = 75340800. Its totient is φ = 33123840.

The previous prime is 53078693. The next prime is 53078713. The reversal of 53078709 is 90787035.

It is not a de Polignac number, because 53078709 - 2⁴ = 53078693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53078009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7017 + ... + 12465.

It is an arithmetic number, because the mean of its divisors is an integer number (4708800).

Almost surely, 2^53078709 is an apocalyptic number.

It is an amenable number.

53078709 is a deficient number, since it is larger than the sum of its proper divisors (22262091).

53078709 is a wasteful number, since it uses less digits than its factorization.

53078709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5660.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 53078709 is about 7285.5136400943. The cubic root of 53078709 is about 375.8144290448.

The spelling of 53078709 in words is "fifty-three million, seventy-eight thousand, seven hundred nine".