57755091 has 8 divisors (see below), whose sum is σ = 77688720. Its totient is φ = 38162432.

The previous prime is 57755059. The next prime is 57755099. The reversal of 57755091 is 19055775.

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

It is a cyclic number.

It is not a de Polignac number, because 57755091 - 2⁵ = 57755059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57755099) 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, 84846 + ... + 85523.

It is an arithmetic number, because the mean of its divisors is an integer number (9711090).

Almost surely, 2^57755091 is an apocalyptic number.

57755091 is a deficient number, since it is larger than the sum of its proper divisors (19933629).

57755091 is a wasteful number, since it uses less digits than its factorization.

57755091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170485.

The product of its (nonzero) digits is 55125, while the sum is 39.

The square root of 57755091 is about 7599.6770326113. The cubic root of 57755091 is about 386.5420606055.

The spelling of 57755091 in words is "fifty-seven million, seven hundred fifty-five thousand, ninety-one".