57775361 has 12 divisors (see below), whose sum is σ = 68640768. Its totient is φ = 48466152.

The previous prime is 57775343. The next prime is 57775363. The reversal of 57775361 is 16357775.

It is not a de Polignac number, because 57775361 - 2⁶ = 57775297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57775363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10241 + ... + 14846.

It is an arithmetic number, because the mean of its divisors is an integer number (5720064).

Almost surely, 2^57775361 is an apocalyptic number.

It is an amenable number.

57775361 is a deficient number, since it is larger than the sum of its proper divisors (10865407).

57775361 is a wasteful number, since it uses less digits than its factorization.

57775361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25148 (or 25141 counting only the distinct ones).

The product of its digits is 154350, while the sum is 41.

The square root of 57775361 is about 7601.0105249236. The cubic root of 57775361 is about 386.5872761931.

The spelling of 57775361 in words is "fifty-seven million, seven hundred seventy-five thousand, three hundred sixty-one".