57000049 has 16 divisors (see below), whose sum is σ = 61728768. Its totient is φ = 52498512.

The previous prime is 57000037. The next prime is 57000059. The reversal of 57000049 is 94000075.

It is not a de Polignac number, because 57000049 - 2¹⁹ = 56475761 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56999987 and 57000032.

It is not an unprimeable number, because it can be changed into a prime (57000059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72034 + ... + 72820.

It is an arithmetic number, because the mean of its divisors is an integer number (3858048).

Almost surely, 2^57000049 is an apocalyptic number.

It is an amenable number.

57000049 is a deficient number, since it is larger than the sum of its proper divisors (4728719).

57000049 is a wasteful number, since it uses less digits than its factorization.

57000049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 57000049 is about 7549.8376803743. The cubic root of 57000049 is about 384.8502234063.

The spelling of 57000049 in words is "fifty-seven million, forty-nine", and thus it is an aban number and an uban number.