57145538253 has 8 divisors (see below), whose sum is σ = 76933799488. Its totient is φ = 37727151264.

The previous prime is 57145538249. The next prime is 57145538269. The reversal of 57145538253 is 35283554175.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57145538253 - 2² = 57145538249 is a prime.

It is a super-2 number, since 2×57145538253² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57145548253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92468200 + ... + 92468817.

It is an arithmetic number, because the mean of its divisors is an integer number (9616724936).

Almost surely, 2^57145538253 is an apocalyptic number.

It is an amenable number.

57145538253 is a deficient number, since it is larger than the sum of its proper divisors (19788261235).

57145538253 is a wasteful number, since it uses less digits than its factorization.

57145538253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184937123.

The product of its digits is 2520000, while the sum is 48.

The spelling of 57145538253 in words is "fifty-seven billion, one hundred forty-five million, five hundred thirty-eight thousand, two hundred fifty-three".