57680551 has 2 divisors, whose sum is σ = 57680552. Its totient is φ = 57680550.

The previous prime is 57680549. The next prime is 57680569. The reversal of 57680551 is 15508675.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57680551 - 2¹ = 57680549 is a prime.

Together with 57680549, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 57680551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57680591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28840275 + 28840276.

It is an arithmetic number, because the mean of its divisors is an integer number (28840276).

Almost surely, 2^57680551 is an apocalyptic number.

57680551 is a deficient number, since it is larger than the sum of its proper divisors (1).

57680551 is an equidigital number, since it uses as much as digits as its factorization.

57680551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42000, while the sum is 37.

The square root of 57680551 is about 7594.7712934624. The cubic root of 57680551 is about 386.3756957645.

The spelling of 57680551 in words is "fifty-seven million, six hundred eighty thousand, five hundred fifty-one".