57563303261 has 8 divisors (see below), whose sum is σ = 59460803544. Its totient is φ = 55683789120.

The previous prime is 57563303131. The next prime is 57563303269. The reversal of 57563303261 is 16230336575.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16731422500 + 40831880761 = 129350^2 + 202069^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57563303261 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 (57563303269) 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 7 ways as a sum of consecutive naturals, for example, 4490030 + ... + 4502831.

It is an arithmetic number, because the mean of its divisors is an integer number (7432600443).

Almost surely, 2^57563303261 is an apocalyptic number.

It is an amenable number.

57563303261 is a deficient number, since it is larger than the sum of its proper divisors (1897500283).

57563303261 is a wasteful number, since it uses less digits than its factorization.

57563303261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8993071.

The product of its (nonzero) digits is 340200, while the sum is 41.

The spelling of 57563303261 in words is "fifty-seven billion, five hundred sixty-three million, three hundred three thousand, two hundred sixty-one".