57876649 has 2 divisors, whose sum is σ = 57876650. Its totient is φ = 57876648.

The previous prime is 57876593. The next prime is 57876661. The reversal of 57876649 is 94667875.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36421225 + 21455424 = 6035^2 + 4632^2 .

It is a cyclic number.

It is not a de Polignac number, because 57876649 - 2⁷ = 57876521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57876596 and 57876605.

It is not a weakly prime, because it can be changed into another prime (57870649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28938324 + 28938325.

It is an arithmetic number, because the mean of its divisors is an integer number (28938325).

Almost surely, 2^57876649 is an apocalyptic number.

It is an amenable number.

57876649 is a deficient number, since it is larger than the sum of its proper divisors (1).

57876649 is an equidigital number, since it uses as much as digits as its factorization.

57876649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 52.

The square root of 57876649 is about 7607.6704055841. The cubic root of 57876649 is about 386.8130575141.

The spelling of 57876649 in words is "fifty-seven million, eight hundred seventy-six thousand, six hundred forty-nine".