57358426 has 8 divisors (see below), whose sum is σ = 88136244. Its totient is φ = 27979680.

The previous prime is 57358421. The next prime is 57358429. The reversal of 57358426 is 62485375.

57358426 = 65² + 66² + ... + 556².

It can be written as a sum of positive squares in 2 ways, for example, as 38007225 + 19351201 = 6165^2 + 4399^2 .

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

It is not an unprimeable number, because it can be changed into a prime (57358421) 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, 349665 + ... + 349828.

Almost surely, 2^57358426 is an apocalyptic number.

57358426 is a deficient number, since it is larger than the sum of its proper divisors (30777818).

57358426 is a wasteful number, since it uses less digits than its factorization.

57358426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699536.

The product of its digits is 201600, while the sum is 40.

The square root of 57358426 is about 7573.5345777253. The cubic root of 57358426 is about 385.6550965288.

It can be divided in two parts, 5735 and 8426, that added together give a square (14161 = 119²).

The spelling of 57358426 in words is "fifty-seven million, three hundred fifty-eight thousand, four hundred twenty-six".