57020336736247 has 16 divisors (see below), whose sum is σ = 60493108907520. Its totient is φ = 53630905759200.

The previous prime is 57020336736221. The next prime is 57020336736323. The reversal of 57020336736247 is 74263763302075.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57020336736247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57020336736347) 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, 1466029 + ... + 10779142.

It is an arithmetic number, because the mean of its divisors is an integer number (3780819306720).

Almost surely, 2^{57020336736247} is an apocalyptic number.

57020336736247 is a deficient number, since it is larger than the sum of its proper divisors (3472772171273).

57020336736247 is a wasteful number, since it uses less digits than its factorization.

57020336736247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12248574.

The product of its (nonzero) digits is 26671680, while the sum is 55.

The spelling of 57020336736247 in words is "fifty-seven trillion, twenty billion, three hundred thirty-six million, seven hundred thirty-six thousand, two hundred forty-seven".