57206378975 has 12 divisors (see below), whose sum is σ = 70956188424. Its totient is φ = 45752020320.

The previous prime is 57206378909. The next prime is 57206378993. The reversal of 57206378975 is 57987360275.

It is a happy number.

57206378975 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57206378975 - 2¹⁸ = 57206116831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 237389 + ... + 413238.

It is an arithmetic number, because the mean of its divisors is an integer number (5913015702).

Almost surely, 2^57206378975 is an apocalyptic number.

57206378975 is a deficient number, since it is larger than the sum of its proper divisors (13749809449).

57206378975 is a wasteful number, since it uses less digits than its factorization.

57206378975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654154 (or 654149 counting only the distinct ones).

The product of its (nonzero) digits is 22226400, while the sum is 59.

The spelling of 57206378975 in words is "fifty-seven billion, two hundred six million, three hundred seventy-eight thousand, nine hundred seventy-five".