53708449785 has 16 divisors (see below), whose sum is σ = 90456336960. Its totient is φ = 27136900800.

The previous prime is 53708449783. The next prime is 53708449787. The reversal of 53708449785 is 58794480735.

It is an interprime number because it is at equal distance from previous prime (53708449783) and next prime (53708449787).

It is not a de Polignac number, because 53708449785 - 2¹ = 53708449783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53708449783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94225066 + ... + 94225635.

It is an arithmetic number, because the mean of its divisors is an integer number (5653521060).

Almost surely, 2^53708449785 is an apocalyptic number.

It is an amenable number.

53708449785 is a deficient number, since it is larger than the sum of its proper divisors (36747887175).

53708449785 is a wasteful number, since it uses less digits than its factorization.

53708449785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188450728.

The product of its (nonzero) digits is 33868800, while the sum is 60.

The spelling of 53708449785 in words is "fifty-three billion, seven hundred eight million, four hundred forty-nine thousand, seven hundred eighty-five".