57478783 has 8 divisors (see below), whose sum is σ = 59716800. Its totient is φ = 55257888.

The previous prime is 57478769. The next prime is 57478789. The reversal of 57478783 is 38787475.

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 57478783 - 2⁹ = 57478271 is a prime.

It is a super-2 number, since 2×57478783² = 6607620990322178, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57478789) 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, 2785 + ... + 11077.

It is an arithmetic number, because the mean of its divisors is an integer number (7464600).

Almost surely, 2^57478783 is an apocalyptic number.

57478783 is a deficient number, since it is larger than the sum of its proper divisors (2238017).

57478783 is a wasteful number, since it uses less digits than its factorization.

57478783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8561.

The product of its digits is 1317120, while the sum is 49.

The square root of 57478783 is about 7581.4763074219. The cubic root of 57478783 is about 385.9246521744.

The spelling of 57478783 in words is "fifty-seven million, four hundred seventy-eight thousand, seven hundred eighty-three".