57406055 has 32 divisors (see below), whose sum is σ = 81868416. Its totient is φ = 37822464.

The previous prime is 57406043. The next prime is 57406057. The reversal of 57406055 is 55060475.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 57406055 - 2⁴ = 57406039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57406057) 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 31 ways as a sum of consecutive naturals, for example, 125387 + ... + 125843.

It is an arithmetic number, because the mean of its divisors is an integer number (2558388).

Almost surely, 2^57406055 is an apocalyptic number.

57406055 is a deficient number, since it is larger than the sum of its proper divisors (24462361).

57406055 is a wasteful number, since it uses less digits than its factorization.

57406055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 57406055 is about 7576.6783619209. The cubic root of 57406055 is about 385.7618131062.

The spelling of 57406055 in words is "fifty-seven million, four hundred six thousand, fifty-five".