57055711 has 8 divisors (see below), whose sum is σ = 58696704. Its totient is φ = 55429080.

The previous prime is 57055703. The next prime is 57055721. The reversal of 57055711 is 11755075.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57055711 - 2³ = 57055703 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57055721) 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 7 ways as a sum of consecutive naturals, for example, 4740 + ... + 11686.

It is an arithmetic number, because the mean of its divisors is an integer number (7337088).

Almost surely, 2^57055711 is an apocalyptic number.

57055711 is a deficient number, since it is larger than the sum of its proper divisors (1640993).

57055711 is a wasteful number, since it uses less digits than its factorization.

57055711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7181.

The product of its (nonzero) digits is 6125, while the sum is 31.

The square root of 57055711 is about 7553.5230852894. The cubic root of 57055711 is about 384.9754546672.

The spelling of 57055711 in words is "fifty-seven million, fifty-five thousand, seven hundred eleven".