57145507751 has 4 divisors (see below), whose sum is σ = 57146058600. Its totient is φ = 57144956904.

The previous prime is 57145507747. The next prime is 57145507753. The reversal of 57145507751 is 15770554175.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 57145507751 - 2² = 57145507747 is a prime.

It is a super-2 number, since 2×57145507751² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57145507696 and 57145507705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57145507753) 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, 67481 + ... + 344738.

It is an arithmetic number, because the mean of its divisors is an integer number (14286514650).

Almost surely, 2^57145507751 is an apocalyptic number.

57145507751 is a deficient number, since it is larger than the sum of its proper divisors (550849).

57145507751 is a wasteful number, since it uses less digits than its factorization.

57145507751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550848.

The product of its (nonzero) digits is 857500, while the sum is 47.

The spelling of 57145507751 in words is "fifty-seven billion, one hundred forty-five million, five hundred seven thousand, seven hundred fifty-one".