57128452063 has 4 divisors (see below), whose sum is σ = 57478933528. Its totient is φ = 56777970600.

The previous prime is 57128452057. The next prime is 57128452123. The reversal of 57128452063 is 36025482175.

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 57128452063 - 2¹³ = 57128443871 is a prime.

It is a super-2 number, since 2×57128452063² (a number of 22 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 (57128452463) 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, 175240488 + ... + 175240813.

It is an arithmetic number, because the mean of its divisors is an integer number (14369733382).

Almost surely, 2^57128452063 is an apocalyptic number.

57128452063 is a deficient number, since it is larger than the sum of its proper divisors (350481465).

57128452063 is a wasteful number, since it uses less digits than its factorization.

57128452063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350481464.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 57128452063 in words is "fifty-seven billion, one hundred twenty-eight million, four hundred fifty-two thousand, sixty-three".