57255146757715 has 4 divisors (see below), whose sum is σ = 68706176109264. Its totient is φ = 45804117406168.

The previous prime is 57255146757647. The next prime is 57255146757719. The reversal of 57255146757715 is 51775764155275.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57255146757715 - 2¹⁵ = 57255146724947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57255146757719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5725514675767 + ... + 5725514675776.

It is an arithmetic number, because the mean of its divisors is an integer number (17176544027316).

Almost surely, 2^{57255146757715} is an apocalyptic number.

57255146757715 is a deficient number, since it is larger than the sum of its proper divisors (11451029351549).

57255146757715 is a wasteful number, since it uses less digits than its factorization.

57255146757715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11451029351548.

The product of its digits is 360150000, while the sum is 67.

The spelling of 57255146757715 in words is "fifty-seven trillion, two hundred fifty-five billion, one hundred forty-six million, seven hundred fifty-seven thousand, seven hundred fifteen".