57093487 has 6 divisors (see below), whose sum is σ = 62755784. Its totient is φ = 51903060.

The previous prime is 57093481. The next prime is 57093523. The reversal of 57093487 is 78439075.

It is a happy number.

It is not a de Polignac number, because 57093487 - 2²³ = 48704879 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 (57093481) 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 5 ways as a sum of consecutive naturals, for example, 235803 + ... + 236044.

Almost surely, 2^57093487 is an apocalyptic number.

57093487 is a deficient number, since it is larger than the sum of its proper divisors (5662297).

57093487 is a wasteful number, since it uses less digits than its factorization.

57093487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471869 (or 471858 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 57093487 is about 7556.0232265392. The cubic root of 57093487 is about 385.0603986874.

The spelling of 57093487 in words is "fifty-seven million, ninety-three thousand, four hundred eighty-seven".