57106477 has 4 divisors (see below), whose sum is σ = 57122460. Its totient is φ = 57090496.

The previous prime is 57106463. The next prime is 57106499. The reversal of 57106477 is 77460175.

57106477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32959081 + 24147396 = 5741^2 + 4914^2 .

It is a cyclic number.

It is not a de Polignac number, because 57106477 - 2¹¹ = 57104429 is a prime.

It is a super-2 number, since 2×57106477² = 6522299430703058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57106877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99 + ... + 10687.

It is an arithmetic number, because the mean of its divisors is an integer number (14280615).

Almost surely, 2^57106477 is an apocalyptic number.

It is an amenable number.

57106477 is a deficient number, since it is larger than the sum of its proper divisors (15983).

57106477 is a wasteful number, since it uses less digits than its factorization.

57106477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15982.

The product of its (nonzero) digits is 41160, while the sum is 37.

The square root of 57106477 is about 7556.8827567986. The cubic root of 57106477 is about 385.0895996555.

The spelling of 57106477 in words is "fifty-seven million, one hundred six thousand, four hundred seventy-seven".