57381779051 has 2 divisors, whose sum is σ = 57381779052. Its totient is φ = 57381779050.

The previous prime is 57381779047. The next prime is 57381779071. The reversal of 57381779051 is 15097718375.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57381779051 - 2² = 57381779047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57381778984 and 57381779002.

It is not a weakly prime, because it can be changed into another prime (57381779071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28690889525 + 28690889526.

It is an arithmetic number, because the mean of its divisors is an integer number (28690889526).

Almost surely, 2^57381779051 is an apocalyptic number.

57381779051 is a deficient number, since it is larger than the sum of its proper divisors (1).

57381779051 is an equidigital number, since it uses as much as digits as its factorization.

57381779051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1852200, while the sum is 53.

The spelling of 57381779051 in words is "fifty-seven billion, three hundred eighty-one million, seven hundred seventy-nine thousand, fifty-one".