57770787253 has 4 divisors (see below), whose sum is σ = 57858186988. Its totient is φ = 57683387520.

The previous prime is 57770787247. The next prime is 57770787259. The reversal of 57770787253 is 35278707775.

57770787253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (57770787247) and next prime (57770787259).

It can be written as a sum of positive squares in 2 ways, for example, as 32970206929 + 24800580324 = 181577^2 + 157482^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57770787253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57770787259) 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, 43698876 + ... + 43700197.

It is an arithmetic number, because the mean of its divisors is an integer number (14464546747).

Almost surely, 2^57770787253 is an apocalyptic number.

It is an amenable number.

57770787253 is a deficient number, since it is larger than the sum of its proper divisors (87399735).

57770787253 is an equidigital number, since it uses as much as digits as its factorization.

57770787253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87399734.

The product of its (nonzero) digits is 20168400, while the sum is 58.

The spelling of 57770787253 in words is "fifty-seven billion, seven hundred seventy million, seven hundred eighty-seven thousand, two hundred fifty-three".