57047477 has 8 divisors (see below), whose sum is σ = 58304064. Its totient is φ = 55804608.

The previous prime is 57047453. The next prime is 57047483. The reversal of 57047477 is 77474075.

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 57047477 - 2¹⁶ = 56981941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57047447) 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, 5213 + ... + 11885.

It is an arithmetic number, because the mean of its divisors is an integer number (7288008).

Almost surely, 2^57047477 is an apocalyptic number.

It is an amenable number.

57047477 is a deficient number, since it is larger than the sum of its proper divisors (1256587).

57047477 is a wasteful number, since it uses less digits than its factorization.

57047477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6859.

The product of its (nonzero) digits is 192080, while the sum is 41.

The square root of 57047477 is about 7552.9780219460. The cubic root of 57047477 is about 384.9569345207.

The spelling of 57047477 in words is "fifty-seven million, forty-seven thousand, four hundred seventy-seven".