57436618648231 has 16 divisors (see below), whose sum is σ = 57913366754880. Its totient is φ = 56961526635520.

The previous prime is 57436618648217. The next prime is 57436618648247. The reversal of 57436618648231 is 13284681663475.

It is a cyclic number.

It is not a de Polignac number, because 57436618648231 - 2¹⁹ = 57436618123943 is a prime.

It is a super-2 number, since 2×57436618648231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57436618648261) 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, 258383025 + ... + 258605221.

It is an arithmetic number, because the mean of its divisors is an integer number (3619585422180).

Almost surely, 2^{57436618648231} is an apocalyptic number.

57436618648231 is a deficient number, since it is larger than the sum of its proper divisors (476748106649).

57436618648231 is a wasteful number, since it uses less digits than its factorization.

57436618648231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225914.

The product of its digits is 139345920, while the sum is 64.

The spelling of 57436618648231 in words is "fifty-seven trillion, four hundred thirty-six billion, six hundred eighteen million, six hundred forty-eight thousand, two hundred thirty-one".