493549057 has 16 divisors (see below), whose sum is σ = 518562000. Its totient is φ = 469131264.

The previous prime is 493549039. The next prime is 493549093. The reversal of 493549057 is 750945394.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 18352656 + 475196401 = 4284^2 + 21799^2 .

It is a cyclic number.

It is not a de Polignac number, because 493549057 - 2⁷ = 493548929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 493548998 and 493549016.

It is not an unprimeable number, because it can be changed into a prime (493549097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 609669 + ... + 610477.

It is an arithmetic number, because the mean of its divisors is an integer number (32410125).

Almost surely, 2^493549057 is an apocalyptic number.

It is an amenable number.

493549057 is a deficient number, since it is larger than the sum of its proper divisors (25012943).

493549057 is a wasteful number, since it uses less digits than its factorization.

493549057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140.

The product of its (nonzero) digits is 680400, while the sum is 46.

The square root of 493549057 is about 22215.9640123943. The cubic root of 493549057 is about 790.2723288007.

The spelling of 493549057 in words is "four hundred ninety-three million, five hundred forty-nine thousand, fifty-seven".