57048761 has 8 divisors (see below), whose sum is σ = 71125824. Its totient is φ = 44453520.

The previous prime is 57048749. The next prime is 57048779. The reversal of 57048761 is 16784075.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57048761 is a prime.

It is a super-2 number, since 2×57048761² = 6509122263270242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57048731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370370 + ... + 370523.

It is an arithmetic number, because the mean of its divisors is an integer number (8890728).

Almost surely, 2^57048761 is an apocalyptic number.

It is an amenable number.

57048761 is a deficient number, since it is larger than the sum of its proper divisors (14077063).

57048761 is a wasteful number, since it uses less digits than its factorization.

57048761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740911.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 57048761 is about 7553.0630210531. The cubic root of 57048761 is about 384.9598226472.

The spelling of 57048761 in words is "fifty-seven million, forty-eight thousand, seven hundred sixty-one".