57487641 has 4 divisors (see below), whose sum is σ = 76650192. Its totient is φ = 38325092.

The previous prime is 57487631. The next prime is 57487679. The reversal of 57487641 is 14678475.

57487641 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57487641 - 2²² = 53293337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57487593 and 57487602.

It is not an unprimeable number, because it can be changed into a prime (57487601) 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, 9581271 + ... + 9581276.

It is an arithmetic number, because the mean of its divisors is an integer number (19162548).

Almost surely, 2^57487641 is an apocalyptic number.

It is an amenable number.

57487641 is a deficient number, since it is larger than the sum of its proper divisors (19162551).

57487641 is a wasteful number, since it uses less digits than its factorization.

57487641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19162550.

The product of its digits is 188160, while the sum is 42.

The square root of 57487641 is about 7582.0604719298. The cubic root of 57487641 is about 385.9444759818.

The spelling of 57487641 in words is "fifty-seven million, four hundred eighty-seven thousand, six hundred forty-one".