57408836 has 12 divisors (see below), whose sum is σ = 100543212. Its totient is φ = 28682208.

The previous prime is 57408833. The next prime is 57408863. The reversal of 57408836 is 63880475.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 54848836 + 2560000 = 7406^2 + 1600^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57408793 and 57408802.

It is not an unprimeable number, because it can be changed into a prime (57408833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1166 + ... + 10778.

It is an arithmetic number, because the mean of its divisors is an integer number (8378601).

Almost surely, 2^57408836 is an apocalyptic number.

It is an amenable number.

57408836 is a deficient number, since it is larger than the sum of its proper divisors (43134376).

57408836 is a wasteful number, since it uses less digits than its factorization.

57408836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11110 (or 11108 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 57408836 is about 7576.8618833921. The cubic root of 57408836 is about 385.7680423345.

The spelling of 57408836 in words is "fifty-seven million, four hundred eight thousand, eight hundred thirty-six".