57243330036561 has 32 divisors (see below), whose sum is σ = 82173442813056. Its totient is φ = 35313731712000.

The previous prime is 57243330036553. The next prime is 57243330036569. The reversal of 57243330036561 is 16563003334275.

It is an interprime number because it is at equal distance from previous prime (57243330036553) and next prime (57243330036569).

It is not a de Polignac number, because 57243330036561 - 2³ = 57243330036553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57243330036561.

It is not an unprimeable number, because it can be changed into a prime (57243330036569) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3543306 + ... + 11271276.

It is an arithmetic number, because the mean of its divisors is an integer number (2567920087908).

Almost surely, 2^{57243330036561} is an apocalyptic number.

57243330036561 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

57243330036561 is a deficient number, since it is larger than the sum of its proper divisors (24930112776495).

57243330036561 is a wasteful number, since it uses less digits than its factorization.

57243330036561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7730433.

The product of its (nonzero) digits is 4082400, while the sum is 48.

The spelling of 57243330036561 in words is "fifty-seven trillion, two hundred forty-three billion, three hundred thirty million, thirty-six thousand, five hundred sixty-one".