57255415 has 16 divisors (see below), whose sum is σ = 78681600. Its totient is φ = 39180960.

The previous prime is 57255413. The next prime is 57255431. The reversal of 57255415 is 51455275.

It is not a de Polignac number, because 57255415 - 2¹ = 57255413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57255413) 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 15 ways as a sum of consecutive naturals, for example, 19600 + ... + 22330.

It is an arithmetic number, because the mean of its divisors is an integer number (4917600).

Almost surely, 2^57255415 is an apocalyptic number.

57255415 is a deficient number, since it is larger than the sum of its proper divisors (21426185).

57255415 is a wasteful number, since it uses less digits than its factorization.

57255415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3342.

The product of its digits is 35000, while the sum is 34.

The square root of 57255415 is about 7566.7308000219. The cubic root of 57255415 is about 385.4240899406.

The spelling of 57255415 in words is "fifty-seven million, two hundred fifty-five thousand, four hundred fifteen".