57240806 has 16 divisors (see below), whose sum is σ = 103292160. Its totient is φ = 23240520.

The previous prime is 57240803. The next prime is 57240817. The reversal of 57240806 is 60804275.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57240803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107330 + ... + 107861.

It is an arithmetic number, because the mean of its divisors is an integer number (6455760).

Almost surely, 2^57240806 is an apocalyptic number.

57240806 is a deficient number, since it is larger than the sum of its proper divisors (46051354).

57240806 is a wasteful number, since it uses less digits than its factorization.

57240806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215219.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 57240806 is about 7565.7653941951. The cubic root of 57240806 is about 385.3913062031.

The spelling of 57240806 in words is "fifty-seven million, two hundred forty thousand, eight hundred six".