57048805 has 16 divisors (see below), whose sum is σ = 75587904. Its totient is φ = 40986880.

The previous prime is 57048793. The next prime is 57048839. The reversal of 57048805 is 50884075.

It is not a de Polignac number, because 57048805 - 2⁹ = 57048293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1684 + ... + 10813.

It is an arithmetic number, because the mean of its divisors is an integer number (4724244).

Almost surely, 2^57048805 is an apocalyptic number.

57048805 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

57048805 is a deficient number, since it is larger than the sum of its proper divisors (18539099).

57048805 is a wasteful number, since it uses less digits than its factorization.

57048805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12596.

The product of its (nonzero) digits is 44800, while the sum is 37.

The square root of 57048805 is about 7553.0659337782. The cubic root of 57048805 is about 384.9599216165.

The spelling of 57048805 in words is "fifty-seven million, forty-eight thousand, eight hundred five".