57005518361 has 16 divisors (see below), whose sum is σ = 62381966400. Its totient is φ = 51661579200.

The previous prime is 57005518267. The next prime is 57005518387. The reversal of 57005518361 is 16381550075.

57005518361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-57005518361 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57005518861) 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, 14499566 + ... + 14503496.

It is an arithmetic number, because the mean of its divisors is an integer number (3898872900).

Almost surely, 2^57005518361 is an apocalyptic number.

It is an amenable number.

57005518361 is a deficient number, since it is larger than the sum of its proper divisors (5376448039).

57005518361 is a wasteful number, since it uses less digits than its factorization.

57005518361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7720.

The product of its (nonzero) digits is 126000, while the sum is 41.

The spelling of 57005518361 in words is "fifty-seven billion, five million, five hundred eighteen thousand, three hundred sixty-one".